Datto Windows Agent: "Backup failed because of a problem with making a backup request to the agent"

Issue

Backups taken with the Datto Windows Agent fail with the error, "BK101: Backup failed because of a problem with making a backup request to the agent."

Environment

  • Datto ALTO
  • Datto SIRIS
  • Datto Windows Agent

Cause

The Datto device could reach the Datto Windows Agent, but the backup job did not run because the Agent reported an error back to the device.

Resolution

This error is often a result of VSS writer errors on the protected machine. VSS writer errors are Windows errors not caused by the Datto device.

If you have ruled out Windows VSS writer errors as the cause, you should take the following steps:

Additional Resources