Google error – Caller does not have permission


The error happens when either performing Audit or Migrate files from Google Drive.

Error: Migration Error for ****** : The service drive has thrown an exception. HttpStatusCode is Unauthorized. The caller does not have permission


The permission for App “Drive and Docs“ or “Drive SDK API“.

  • If these users belong to a group where App “Drive and Docs“ is turned off.

  • If the settings “Allow users to access Google Drive with the Drive SDK API is turned off for these users.


Turn on both the permissions for the users.

For more details:

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