Azure Mars Agent Installtion Issue

To troubleshoot the installation issue with the Azure MARS Agent on Windows Server 2012 R2, you can follow these steps:

1. Check for Compatibility: Ensure that your version of Windows Server 2012 R2 is compatible with the Azure MARS Agent.
2. Verify Network Connectivity: Make sure that the server has internet access and can connect to Microsoft Azure services. Check your network settings and proxy configurations if applicable.
3. Review Error Messages: If you encounter specific error messages during installation, note them down. Common issues include:
   • The Azure Backup Agent was unable to connect to the Azure Backup service (ID: 100050).
   • Invalid vault credentials provided.
4. Install the Latest Version: Ensure you are installing the latest version of the MARS Agent. You can download it from the Azure portal.
5. Check for Existing Installations: If there are previous installations of the MARS Agent, they may conflict with the new installation. Uninstall any existing versions before proceeding.
6. Run as Administrator: Make sure to run the installer with administrative privileges to avoid permission issues.
7. Consult Logs: Check the installation logs located in C:\Windows\Temp for any specific error messages that can guide you in troubleshooting.

If the issue persists after these steps, consider reaching out to Microsoft Support for further assistance.

References:

• Error when you try to upgrade the MARS Agent: The Microsoft Azure Recovery Services Agent update failed
• Troubleshoot the Microsoft Azure Recovery Services (MARS) agent