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Title
The remote server returned an error: (401) Unauthorized, Error creating source session -
Description
When migrating from Exchange 2007,2010,2013 or Office 365 to Exchange 2007,2010,2013 or Office 365 you may see a similar error during the migration:
29/01/2015 09:46:42 The request failed. The remote server returned an error: (401) Unauthorized. The remote server returned an error: (401) Unauthorized. -29/01/2015 09:46:42 Error creating source session. The request failed. The remote server returned an error: (401) Unauthorized.
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