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Showing content from https://learn.microsoft.com/en-us/azure/backup/backup-azure-vms-troubleshoot below:

Troubleshoot backup errors with Azure VMs - Azure Backup

You can troubleshoot errors encountered while using Azure Backup with the information listed below:

This section covers backup operation failure of Azure Virtual machine.

• Ensure that the VM Agent (WA Agent) is the latest version.
• Ensure that the Windows or Linux VM OS version is supported, refer to the IaaS VM Backup Support Matrix.
• Verify that another backup service isn't running.
  • To ensure there are no snapshot extension issues, uninstall extensions to force reload and then retry the backup.
• Verify that the VM has internet connectivity.
  • Make sure another backup service isn't running.
• From Services.msc, ensure the Windows Azure Guest Agent service is Running. If the Windows Azure Guest Agent service is missing, install it from Back up Azure VMs in a Recovery Services vault.
• The Event log may show backup failures that are from other backup products, for example, Windows Server backup aren't happening due to Azure Backup. Use the following steps to determine whether the issue is with Azure Backup:

The following are common issues with backup failures on Azure virtual machines.

Error code: VMRestorePointInternalError

If at the time of backup, the Event Viewer Application logs displays the message Faulting application name: IaaSBcdrExtension.exe then it's confirmed that the antivirus configured in the VM is restricting the execution of backup extension. To resolve this issue, exclude the directories below in the antivirus configuration and retry the backup operation.

• C:\Packages\Plugins\Microsoft.Azure.RecoveryServices.VMSnapshot
• C:\WindowsAzure\Logs\Plugins\Microsoft.Azure.RecoveryServices.VMSnapshot

Error code: CopyingVHDsFromBackUpVaultTakingLongTime
Error message: Copying backed up data from vault timed out

This could happen due to transient storage errors or insufficient storage account IOPS for backup service to transfer data to the vault within the timeout period. Configure VM backup using these best practices and retry the backup operation.

Error code: UserErrorVmNotInDesirableState
Error message: VM is not in a state that allows backups.

The backup operation failed because the VM is in Failed state. For a successful backup, the VM state should be Running, Stopped, or Stopped (deallocated).

• If the VM is in a transient state between Running and Shut down, wait for the state to change. Then trigger the backup job.
• If the VM is a Linux VM and uses the Security-Enhanced Linux kernel module, exclude the Azure Linux Agent path /var/lib/waagent from the security policy and make sure the Backup extension is installed.

Error code: UserErrorFsFreezeFailed
Error message: Failed to freeze one or more mount-points of the VM to take a file-system consistent snapshot.

Step 1:

• Unmount the devices for which the file system state wasn't cleaned, using the umount command.
• Run a file system consistency check on these devices by using the fsck command.
• Mount the devices again and retry backup operation.

If you can't un-mount the devices then you can update the VM backup configuration to ignore certain mount points. For example, if '/mnt/resource' mount point can't be un-mounted and causing the VM backup failures, you can update the VM backup configuration files with the MountsToSkip property as follows.

1. Check if there is the vmbackup.conf file under the /etc/azure/ directory.

2. If there's no /etc/azure/vmbackup.conf, you can copy file from the /var/lib/waagent/Microsoft.Azure.RecoveryServices.VMSnapshotLinux-1.0.XXX.0/main/tempPlugin/vmbackup.conf.

3. In the /etc/azure/vmbackup.conf file, add the following configuration for Azure VM Backup to skip fsfreeze and take snapshot for the /mnt/resource mount point.

   cat  /etc/azure/vmbackup.conf[SnapshotThread]
   fsfreeze: True
   MountsToSkip = /mnt/resource
   SafeFreezeWaitInSeconds=600
   
   

Step 2:

• Check if there are duplicate mount points present.

Identify the failed to freeze mount points from the extension log file.
For example: /boot, /usr/sap in the below sample output.

    2017-11-02 11:22:56 Thawing: /boot
    2017-11-02 11:22:56 Failed to FITHAW: /boot
    2017-11-02 11:22:56 Thawing: /sapshare
    2017-11-02 11:22:56 Thawing: /usr/sap
    2017-11-02 11:22:56 Failed to FITHAW: /usr/sap

On the Linux VM execute 'mount' command and check if the failed mount points have multiple entries. If yes, remove the old entries or rename the mount path and retry the backup operation.

Error code: ExtensionSnapshotFailedCOM
Error message: Snapshot operation failed due to COM+ error

Error code: ExtensionInstallationFailedCOM
Error message: Extension installation/operation failed due to a COM+ error

Error code: ExtensionInstallationFailedMDTC
Error message: Extension installation failed with the error "COM+ was unable to talk to the Microsoft Distributed Transaction Coordinator

The Backup operation failed due to an issue with Windows service COM+ System application. To resolve this issue, follow these steps:

• Try starting/restarting Windows service COM+ System Application (from an elevated command prompt - net start COMSysApp).
• Ensure Distributed Transaction Coordinator service is running as Network Service account. If not, change it to run as Network Service account and restart COM+ System Application.
• If unable to restart the service, then reinstall Distributed Transaction Coordinator service by following the steps below:
  • Stop the MSDTC service
  • Open a command prompt (cmd)
  • Run the command msdtc -uninstall
  • Run the command msdtc -install
  • Start the MSDTC service
• Start the Windows service COM+ System Application. After the COM+ System Application starts, trigger a backup job from the Azure portal.

Error code: ExtensionFailedVssWriterInBadState
Error message: Snapshot operation failed because VSS writers were in a bad state.

This error occurs because the VSS writers were in a bad state. Azure Backup extensions interact with VSS Writers to take snapshots of the disks. To resolve this issue, follow these steps:

Step 1: Check the Free Disk Space, VM resources as RAM and page file, and CPU utilization percentage.

• Increase the VM size to increase vCPUs and RAM space.
• Increase the disk size if the free disk space is low.

Step 2: Restart VSS writers that are in a bad state.

• From an elevated command prompt, run vssadmin list writers.

• The output contains all VSS writers and their state. For every VSS writer with a state that's not [1] Stable, restart the respective VSS writer's service.

• To restart the service, run the following commands from an elevated command prompt:

  net stop serviceName
net start serviceName

Note

Restarting some services can have an impact on your production environment. Ensure the approval process is followed and the service is restarted at the scheduled downtime.

Step 3: If restarting the VSS writers did not resolve the issue, then run the following command from an elevated command-prompt (as an administrator) to prevent the threads from being created for blob-snapshots.

REG ADD "HKLM\SOFTWARE\Microsoft\BcdrAgentPersistentKeys" /v SnapshotWithoutThreads /t REG_SZ /d True /f

Step 4: If steps 1 and 2 did not resolve the issue, then the failure could be due to VSS writers timing out due to limited IOPS.

To verify, navigate to System and Event Viewer Application logs and check for the following error message:
The shadow copy provider timed out while holding writes to the volume being shadow copied. This is probably due to excessive activity on the volume by an application or a system service. Try again later when activity on the volume is reduced.

Solution:

• Check for possibilities to distribute the load across the VM disks. This will reduce the load on single disks. You can check the IOPs throttling by enabling diagnostic metrics at storage level.
• Change the backup policy to perform backups during off peak hours, when the load on the VM is at its lowest.
• Upgrade the Azure disks to support higher IOPs. Learn more here

Error code: ExtensionFailedVssServiceInBadState
Error message: Snapshot operation failed due to VSS (Volume Shadow Copy) service in bad state.

This error occurs because the VSS service was in a bad state. Azure Backup extensions interact with VSS service to take snapshots of the disks. To resolve this issue, follow these steps:

Restart VSS (Volume Shadow Copy) service.

• Navigate to Services.msc and restart 'Volume Shadow Copy service'.
  (or)
  

• Run the following commands from an elevated command prompt:

  net stop VSS
net start VSS

If the issue still persists, restart the VM at the scheduled downtime.

Error code: UserErrorSkuNotAvailable Error message: VM creation failed as VM size selected is not available.

This error occurs because the VM size selected during the restore operation is an unsupported size.

To resolve this issue, use the restore disks option during the restore operation. Use those disks to create a VM from the list of available supported VM sizes using PowerShell cmdlets.

Error code: UserErrorMarketPlaceVMNotSupported

Error message: VM creation failed due to Market Place purchase request being not present.

Azure Backup supports backup and restore of VMs that are available in Azure Marketplace. This error occurs when you try to restore a VM (with a specific Plan/Publisher setting), which is no longer available in Azure Marketplace. Learn more here.

In this scenario, a partial failure happens where the disks are restored, but the VM isn't restored. This is because it's not possible to create a new VM from the restored disks.

If the publisher doesn't have any Marketplace information, you can attach the restored disk(s) (that were created during partial failure) as data disks to an existing VM.

Error code: ExtensionConfigParsingFailure
Error message: Failure in parsing the config for the backup extension.

This error happens because of changed permissions on the MachineKeys directory: %systemdrive%\programdata\microsoft\crypto\rsa\machinekeys. Run the following command and verify that permissions on the MachineKeys directory are default ones: icacls %systemdrive%\programdata\microsoft\crypto\rsa\machinekeys.

Default permissions are as follows:

• Everyone: (R,W)
• BUILTIN\Administrators: (F)

If you see permissions in the MachineKeys directory that are different than the defaults, follow these steps to correct permissions, delete the certificate, and trigger the backup:

1. Fix permissions on the MachineKeys directory. By using Explorer security properties and advanced security settings in the directory, reset permissions back to the default values. Remove all user objects except the defaults from the directory and make sure the Everyone permission has special access as follows:

   • List folder/read data
   • Read attributes
   • Read extended attributes
   • Create files/write data
   • Create folders/append data
   • Write attributes
   • Write extended attributes
   • Read permissions

2. Delete all certificates where Issued To is the classic deployment model or Windows Azure CRP Certificate Generator:

   • Open certificates on a local computer console.
   • Under Personal > Certificates, delete all certificates where Issued To is the classic deployment model or Windows Azure CRP Certificate Generator.

3. Trigger a VM backup job.

Error code: ExtensionStuckInDeletionState
Error message: Extension state is not supportive to the backup operation

The Backup operation failed due to inconsistent state of Backup Extension. To resolve this issue, follow these steps:

• Ensure Guest Agent is installed and responsive
• From the Azure portal, go to Virtual Machine > All Settings > Extensions
• Select the backup extension VmSnapshot or VmSnapshotLinux and select Uninstall.
• After deleting backup extension, retry the backup operation
• The subsequent backup operation will install the new extension in the desired state

Error code: ExtensionFailedSnapshotLimitReachedError
Error message: Snapshot operation failed as snapshot limit is exceeded for some of the disks attached

The snapshot operation failed as the snapshot limit has exceeded for some of the disks attached. Complete the following troubleshooting steps and then retry the operation.

• Delete the disk blob-snapshots that aren't required. Be careful to not delete disk blobs. Only snapshot blobs should be deleted.

• If Soft-delete is enabled on VM disk Storage-Accounts, configure soft-delete retention so existing snapshots are less than the maximum allowed at any point of time.

• If Azure Site Recovery is enabled in the backed-up VM, then perform the steps below:

  • Ensure the value of isanysnapshotfailed is set as false in /etc/azure/vmbackup.conf
  • Schedule Azure Site Recovery at a different time, so it doesn't conflict the backup operation.

Error code: ExtensionFailedTimeoutVMNetworkUnresponsive
Error message: Snapshot operation failed due to inadequate VM resources.

The backup operation on the VM failed due to delay in network calls while performing the snapshot operation. To resolve this issue, perform Step 1. If the issue persists, try steps 2 and 3.

Step 1: Create snapshot through Host

From an elevated (admin) command-prompt, run the following command:

REG ADD "HKLM\SOFTWARE\Microsoft\BcdrAgentPersistentKeys" /v SnapshotMethod /t REG_SZ /d firstHostThenGuest /f
REG ADD "HKLM\SOFTWARE\Microsoft\BcdrAgentPersistentKeys" /v CalculateSnapshotTimeFromHost /t REG_SZ /d True /f

This will ensure the snapshots are taken through host instead of Guest. Retry the backup operation.

Step 2: Try changing the backup schedule to a time when the VM is under less load (like less CPU or IOPS)

Step 3: Try increasing the size of the VM and retry the operation

Error code: 320001, ResourceNotFound
Error message: Could not perform the operation as VM no longer exists.

Error code: 400094, BCMV2VMNotFound

This error happens when the primary VM is deleted, but the backup policy still looks for a VM to back up. To fix this error, take the following steps:

• Re-create the virtual machine with the same name and same resource group name, cloud service name,
  or
• Stop protecting the virtual machine with or without deleting the backup data. For more information, see Stop protecting virtual machines.

Error code: UserErrorBCMPremiumStorageQuotaError
Error message: Could not copy the snapshot of the virtual machine, due to insufficient free space in the storage account

For premium VMs on VM backup stack V1, we copy the snapshot to the storage account. This step makes sure that backup management traffic, which works on the snapshot, doesn't limit the number of IOPS available to the application using premium disks.

We recommend that you allocate only 50 percent, 17.5 TB, of the total storage account space. Then the Azure Backup service can copy the snapshot to the storage account and transfer data from this copied location in the storage account to the vault.

Error code: 380008, AzureVmOffline
Error message: Failed to install Microsoft Recovery Services extension as virtual machine is not running

The VM Agent is a prerequisite for the Azure Recovery Services extension. Install the Azure Virtual Machine Agent and restart the registration operation.

1. Check if the VM Agent is installed correctly.
2. Make sure that the flag on the VM config is set correctly.

Read more about installing the VM Agent and how to validate the VM Agent installation.

Error code: ExtensionSnapshotBitlockerError
Error message: The snapshot operation failed with the Volume Shadow Copy Service (VSS) operation error This drive is locked by BitLocker Drive Encryption. You must unlock this drive from the Control Panel.

Turn off BitLocker for all drives on the VM and check if the VSS issue is resolved.

Error code: VmNotInDesirableState
Error message: The VM isn't in a state that allows backups.

• If the VM is in a transient state between Running and Shut down, wait for the state to change. Then trigger the backup job.

• If the VM is a Linux VM and uses the Security-Enhanced Linux kernel module, exclude the Azure Linux Agent path /var/lib/waagent from the security policy and make sure the Backup extension is installed.

• The VM Agent isn't present on the virtual machine:
  Install any prerequisite and the VM Agent. Then restart the operation. |Read more about VM Agent installation and how to validate VM Agent installation.

Error code: ExtensionSnapshotFailedNoSecureNetwork
Error message: The snapshot operation failed because of failure to create a secure network communication channel.

• Open the Registry Editor by running regedit.exe in an elevated mode.
• Identify all versions of the .NET Framework present in your system. They're present under the hierarchy of registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft.
• For each .NET Framework present in the registry key, add the following key:
  SchUseStrongCrypto"=dword:00000001.

Error code: ExtensionVCRedistInstallationFailure
Error message: The snapshot operation failed because of failure to install Visual C++ Redistributable for Visual Studio 2012.

• Navigate to C:\Packages\Plugins\Microsoft.Azure.RecoveryServices.VMSnapshot\agentVersion and install vcredist2013_x64.
  Make sure that the registry key value that allows the service installation is set to the correct value. That is, set the Start value in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Msiserver to 3 and not 4.

  If you still have issues with installation, restart the installation service by running MSIEXEC /UNREGISTER followed by MSIEXEC /REGISTER from an elevated command prompt.

• Check the event log to verify if you're noticing access related issues. For example: Product: Microsoft Visual C++ 2013 x64 Minimum Runtime - 12.0.21005 -- Error 1401.Could not create key: Software\Classes. System error 5. Verify that you have sufficient access to that key, or contact your support personnel.

  Ensure the administrator or user account has sufficient permissions to update the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Classes. Provide sufficient permissions and restart the Windows Azure Guest Agent.

• If you have antivirus products in place, ensure they have the right exclusion rules to allow the installation.

Error code: UserErrorRequestDisallowedByPolicy
Error message: An invalid policy is configured on the VM which is preventing Snapshot operation.

If you have an Azure Policy that governs tags within your environment, either consider changing the policy from a Deny effect to a Modify effect, or create the resource group manually according to the naming schema required by Azure Backup.

Error code: UserErrorUnableToOpenMount

Cause: Backups failed because the backup extensions on the VM were unable to open the mount points in the VM.

Recommended action: The backup extension on the VM must be able to access all mount points in the VM to determine the underlying disks, take snapshot, and calculate the size. Ensure that all mount points are accessible.

If after restore, you notice the disks are offline then:

• Verify if the machine where the script is executed meets the OS requirements. Learn more.
• Ensure you are not restoring to the same source, Learn more.

This issue can occur if disks are mounted to a directory using the device name (e.g., /dev/sdc1) instead of UUID. When the VM reboots or when it is recovered as a new VM, the device names are assigned in a random order. To ensure that the right drive is mounted to your directory, always mount drives using UUID obtained from the blkid utility. Learn more.

Error code: UserErrorInstantRpNotFound
Error message: Restore failed because the snapshot of the VM was not found. The snapshot could have been deleted, please check.

This error occurs when you are trying to restore from a recovery point that was not transferred to the vault and was deleted in the snapshot phase.
To resolve this issue, try to restore the VM from a different restore point.

1. The cloud service to which you're trying to restore is configured with DNS settings. You can check:
   $deployment = Get-AzureDeployment -ServiceName "ServiceName" -Slot "Production" Get-AzureDns -DnsSettings $deployment.DnsSettings.
   If Address is configured, then DNS settings are configured.
   
2. The cloud service to which to you're trying to restore is configured with ReservedIP, and existing VMs in the cloud service are in the stopped state. You can check that a cloud service has reserved an IP by using the following PowerShell cmdlets: $deployment = Get-AzureDeployment -ServiceName "servicename" -Slot "Production" $dep.ReservedIPName.
   
3. You're trying to restore a virtual machine with the following special network configurations into the same cloud service:
   • Virtual machines under load balancer configuration, internal and external.
   • Virtual machines with multiple reserved IPs.
   • Virtual machines with multiple NICs.
4. Select a new cloud service in the UI or see restore considerations for VMs with special network configurations.

This error is shown only to users of the Azure portal. The restore operation through PowerShell succeeds because it restores only the disks and doesn't create the VM. The error will be faced when the VM is explicitly created by you after the disk restore operation.

Error code: UserErrorMigrationFromTrustedLaunchVMToNonTrustedVMNotAllowed

Error message: Backup cannot be configured for the VM which has migrated from Trusted Launch mode to non Trusted Launch mode.

Scenario 1: Migration of Trusted Launch VM to Generation 2 VM is blocked.

Migration of Trusted Launch VM to Generation 2 VM is not supported. This is because the VM Guest State (VMGS) blob created for Trusted Launch VMs isn't present for Generation 2 VM. Therefore, the VM won't start.

Scenario 2: Unable to protect a Standard VM with the same name as of Trusted Launch VM that was previously deleted.

To resolve this issue:

1. Disable soft delete.
2. Stop VM protection with delete backup data.
3. Re-enable soft delete.
4. Configure VM protection again with the appropriate policy after the old backup data deletion is complete from the Recovery Services vault.

Note

You can also create a VM:

• With a different name than the original one, or
• In a different resource group with the same name.

Error code: UserErrorCrossSubscriptionRestoreNotSupportedForOLR 

Error message: Operation failed as Cross Subscription Restore is not supported for Original Location Recovery.

Resolution: Ensure that you select Create New/ Restore Disk for restore operation.

Error code: UserErrorCrossSubscriptionRestoreNotSupportedForUnManagedAzureVM  

Error message: Operation failed as Cross Subscription Restore is not supported for Azure VMs with Unmanaged Disks.

Resolution: Perform standard restores within the same subscription instead.

Error code: UserErrorCrossSubscriptionRestoreNotSupportedForCRR  

Error message: Operation failed as Cross Subscription Restore is not supported along-with Cross Region Restore.

Resolution: Use either Cross Subscription Restore' or Cross Region Restore.   

Error code: UserErrorCrossSubscriptionRestoreNotSupportedFromSnapshot 

Error message: Operation failed as Cross Subscription Restore is not supported when restoring from a Snapshot recovery point.

Resolution: Select a different recovery point where Tier 2 (Vault-Tier) is available.  

Error code: UserErrorCrossSubscriptionRestoreInvalidTenant 

Error message: Operation failed as the tenant IDs for source and target subscriptions don't match.

Resolution: Ensure that the source and target subscriptions belong to the same tenant.

Error code: UserErrorCrossSubscriptionRestoreInvalidTargetSubscription 

Error message: Operation failed as the target subscription specified for restore is not registered to the Azure Recovery Services Resource Provider. 

Resolution: Ensure the target subscription is registered to the Recovery Services Resource Provider before you attempt a cross subscription restore. Creating a vault in the target Subscription should register the Subscription to Recovery Services Resource Provider.

Error code: UserErrorCrossSubscriptionRestoreNotSupportedForEncryptedAzureVM

Error message: Operation failed as Cross Subscription Restore is not supported for Encrypted Azure VMs.

Resolution: Use the same subscription for Restore of Encrypted AzureVMs.

Error code: UserErrorCrossSubscriptionRestoreNotSupportedForTrustedLaunchAzureVM

Error message: Operation failed as Cross Subscription Restore is not supported for Trusted Launch Azure VMs (TVMs).

Resolution: Use the same subscription for Restore of Trusted Launch Azure VMs.

Error code: UserErrorCrossSubscriptionRestoreInvalidTargetSubscription

Error message: Operation failed as the target subscription specified for restore is not registered to the Azure Recovery Services Resource Provider.

Recommended action: Ensure that the target subscription is registered to the Recovery Services Resource Provider before you attempt a cross subscription restore. Creating a vault in the target Subscription should typically register the Subscription to Recovery Services vault Provider.

If your backup takes more than 12 hours, or restore takes more than 6 hours, review best practices, and performance considerations

Typically, the VM Agent is already present in VMs that are created from the Azure gallery. But virtual machines that are migrated from on-premises datacenters won't have the VM Agent installed. For those VMs, the VM Agent needs to be installed explicitly.

• Download and install the agent MSI. You need Administrator privileges to finish the installation.
• For virtual machines created by using the classic deployment model, update the VM property to indicate that the agent is installed. This step isn't required for Azure Resource Manager virtual machines.

• Install the latest version of the agent from the distribution repository. For details on the package name, see the Linux Agent repository.
• For VMs created by using the classic deployment model, update the VM property and verify that the agent is installed. This step isn't required for Resource Manager virtual machines.

• To update the VM Agent, reinstall the VM Agent binaries. Before you update the agent, make sure no backup operations occur during the VM Agent update.

• To update the Linux VM Agent, follow the instructions in the article Updating the Linux VM Agent.

  Note

  Always use the distribution repository to update the agent.

  Don't download the agent code from GitHub. If the latest agent isn't available for your distribution, contact the distribution support for instructions to acquire the latest agent. You can also check the latest Windows Azure Linux agent information in the GitHub repository.

Verify the VM Agent version on Windows VMs:

1. Sign in to the Azure virtual machine and navigate to the folder C:\WindowsAzure\Packages. You should find the WaAppAgent.exe file.
2. Right-click the file and go to Properties. Then select the Details tab. The Product Version field should be 2.6.1198.718 or higher.

VM backup relies on issuing snapshot commands to underlying storage. Not having access to storage or delays in a snapshot task run can cause the backup job to fail. The following conditions can cause snapshot task failure:

• VMs with SQL Server backup configured can cause snapshot task delay. To avoid that, currently VM backup creates a VSS full backup (Copy-Only) on Windows VMs. If you need a VSS Full backup (Non-copy Only) then add the following registry key on the Windows VM:

  REG ADD "HKLM\SOFTWARE\Microsoft\BcdrAgent" /v UseVssFullBackup /t REG_SZ /d True /f
  
  

  Note

  Copy-Only backups ensure that snapshots aren't delayed, and any log chains managed by other backup products are also not broken.

• VM status is reported incorrectly because the VM is shut down in RDP. If you used the remote desktop to shut down the virtual machine, verify that the VM status in the portal is correct. If the status isn't correct, use the Shutdown option in the portal VM dashboard to shut down the VM.

• If more than four VMs share the same cloud service, spread the VMs across multiple backup policies. Stagger the backup times, so no more than four VM backups start at the same time. Try to separate the start times in the policies by at least an hour.

• The VM runs at high CPU or memory. If the virtual machine runs at high memory or CPU usage, more than 90 percent, your snapshot task is queued and delayed. Eventually it times out. If this issue happens, try an on-demand backup.

DHCP must be enabled inside the guest for IaaS VM backup to work. If you need a static private IP, configure it through the Azure portal or PowerShell. Make sure the DHCP option inside the VM is enabled. Get more information on how to set up a static IP through PowerShell:

• How to add a static internal IP to an existing VM
• Change the allocation method for a private IP address assigned to a network interface

Error code: BackUpOperationFailedV2

Error message: The backups of VMs have failed after the policy migration from Standard to Enhanced policy.

Cause: Snapshot retention of the Enhanced policy is applied on the older recovery points that were originally created under the Standard policy when you move a VM from a Standard to Enhanced policy.

Recommended action: Contact Microsoft Support for resolution.

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