Merge pull request MicrosoftDocs#74827 from ejarvi/patch-21

PRMerger14 · web-flow · commit bb217849c0fb · 2019-04-27T00:34:19.000+08:00
Clarify version requirements
diff --git a/articles/security/azure-security-disk-encryption-tsg.md b/articles/security/azure-security-disk-encryption-tsg.md
@@ -48,7 +48,7 @@ uname -a
 
 ## Update the Azure Virtual Machine Agent and Extension Versions
 
-Azure Disk Encryption operations may fail on virtual machine images using unsupported versions of the Azure Virtual Machine Agent. For more information, please refer to [Minimum version support for virtual machine agents in Azure](https://support.microsoft.com/en-us/help/4049215/extensions-and-virtual-machine-agent-minimum-version-support).  
+Azure Disk Encryption operations may fail on virtual machine images using unsupported versions of the Azure Virtual Machine Agent. Linux images with agent versions earlier than 2.2.38 should be updated prior to enabling encryption. For more information, see [How to update the Azure Linux Agent on a VM](../virtual-machines/extensions/update-linux-agent.md) and [Minimum version support for virtual machine agents in Azure](https://support.microsoft.com/en-us/help/4049215/extensions-and-virtual-machine-agent-minimum-version-support).
 
 The correct version of the Microsoft.Azure.Security.AzureDiskEncryption or Microsoft.Azure.Security.AzureDiskEncryptionForLinux guest agent extension is also required. Extension versions are maintained and updated automatically by the platform when Azure Virtual Machine agent prerequisites are satisfied and a supported version of the virtual machine agent is used.
 
