Error: "VSS quiescence failed"

Issue

Integrity Verification fails with error message, "VSS quiescence failed."

Environment

  • Datto SIRIS
  • Datto ALTO
  • Datto NAS

Cause

VSS writers on the production machine are in a failed state.

Resolution

  1. Troubleshoot VSS writer errors using the following resources:
  1. Take a new backup of the affected agent.
  2. Force a new screenshot verification of the agent's latest backup point and observe the result.

Additional Resources