ExtensionVCRedistInstallationFailure Error update

Author: David Curwin

articles/backup/backup-azure-vms-troubleshoot.md

@@ -192,7 +192,7 @@ This will ensure the snapshots are taken through host instead of Guest. Retry th
 | **Error code**: VmNotInDesirableState <br/> **Error message**:  The VM isn't in a state that allows backups. |<ul><li>If the VM is in a transient state between **Running** and **Shut down**, wait for the state to change. Then trigger the backup job. <li> 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: <br>Install any prerequisite and the VM Agent. Then restart the operation. |Read more about [VM Agent installation and how to validate VM Agent installation](#vm-agent). |
 | **Error code**: ExtensionSnapshotFailedNoSecureNetwork <br/> **Error message**: The snapshot operation failed because of failure to create a secure network communication channel. | <ol><li> Open the Registry Editor by running **regedit.exe** in an elevated mode. <li> 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**. <li> For each .NET Framework present in the registry key, add the following key: <br> **SchUseStrongCrypto"=dword:00000001**. </ol>|
-| **Error code**: ExtensionVCRedistInstallationFailure <br/> **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.<br/>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**. <br><br>If you still have issues with installation, restart the installation service by running **MSIEXEC /UNREGISTER** followed by **MSIEXEC /REGISTER** from an elevated command prompt.  |
+| **Error code**: ExtensionVCRedistInstallationFailure <br/> **Error message**: The snapshot operation failed because of failure to install Visual C++ Redistributable for Visual Studio 2012. | <li> Navigate to `C:\Packages\Plugins\Microsoft.Azure.RecoveryServices.VMSnapshot\agentVersion` and install vcredist2013_x64.<br/>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**. <br><br>If you still have issues with installation, restart the installation service by running **MSIEXEC /UNREGISTER** followed by **MSIEXEC /REGISTER** from an elevated command prompt. <br><br><li> Check the event log to verify if you are 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.* <br><br> 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.<br><br> <li> If you have antivirus products in place, ensure they have the right exclusion rules to allow the installation.    |
 | **Error code**:  UserErrorRequestDisallowedByPolicy <BR> **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](https://docs.microsoft.com/azure/governance/policy/tutorials/govern-tags), either consider changing the policy from a [Deny effect](https://docs.microsoft.com/azure/governance/policy/concepts/effects#deny) to a [Modify effect](https://docs.microsoft.com/azure/governance/policy/concepts/effects#modify), or create the resource group manually according to the [naming schema required by Azure Backup](https://docs.microsoft.com/azure/backup/backup-during-vm-creation#azure-backup-resource-group-for-virtual-machines).
 
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