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SnapDiff incremental backup fails with error "ANS2839E Failed with ONTAPI error 'Authorization failed'"

Last Updated:

Applies to

  • ONTAP 9
  • IBM Spectrum Protect 8.1.10.x (formerly TSM "Tivoli Storage Manager")
  • SnapDiff


  • SnapDiff incremental backup fails with the following error:

ANS2839E Failed with ONTAPI error 'Authorization failed' while connecting to NetApp Filer '' using user id 'user_id'. You might have provided credentials incorrectly for this Filer.

  • Using the same 'user_id' able to access the SVM and Cluster without any issues


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