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  1. Home
  2. Veritas NetBackup for Microsoft Azure Stack Administrator's Guide
  3. Troubleshooting
  4. Backup fails with error 6646
Veritas NetBackup for Microsoft Azure Stack Administrator's Guide

Backup fails with error 6646

Backup fails with the following error:

(6646) Unable to communicate with the server.

Workaround:

Run the backup operation again. The error might be because of the Azure Stack being overloaded.

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