Datto Linux Agent: "Backup Failed Due to a Problem Establishing Secure Communications With the Agent."

Issue

When you try to start a backup for a system protected by the Datto Linux Agent, you receive the error message:

"BK202: Backup failed due to a problem establishing secure communications with the agent."

Environment

  • Datto ALTO
  • Datto SIRIS
  • Datto Linux Agent

Cause

The Datto appliance attempted to contact the agent on the protected machine, but it received an "Error 401 (unauthorized)" response.

Resolution

Additional Resources