Fixing Backup Error 311: Integrity Check Failed Due to Too Many Errors

Issue

An integrity check for a protected endpoint's backups fails with the error message, "INTEGRITY_CHECK_TOO_MANY_ERRORS_FAILED 311."

Environment

NinjaOne Backup

Cause

This error occurs when NinjaOne detects corruption in more than 100 files.

Resolution

Perform a disk integrity check and repair on the protected endpoint's volumes, and then attempt the backup again.

If the issue persists, recreate the backup plan by performing the following steps:

1. Delete the backup plan from the policy.
2. Delete the backup data associated with the plan.
3. Set up the backup plan again under the policy.

Additional Resources

For additional troubleshooting guidance, refer to NinjaOne Backup: Troubleshooting Error Codes.