Fix: AzCopy.exe Could not finish the operation within specified timeout

When uploading files or PST files to Office 365 using AzCopy.exe, during the upload using Microsoft’s PST Import service you might have the frustrating error saying “The client could not finish the operation within specified timeout“. On the command prompt it will be seen as stuck on saying 0 files uploaded with a transfer speed of 0 KB/s. I literally spent hours trying to find out why my PST files do not upload to Office 365.

This can be fixed by lowering the concurrent operations with the import services. After looking at the option which is /NC option to either 2 or 1 depending on the internet connection upload speed. To be safe, in my case I have setup the NC as 1.

Here’s an example of how the command prompt will look like.

AzCopy.exe /source:\\My-Server\PST /dest:https://12345ab67cd89e0fg123h45.blob.core.windows.net/ingestiondata/Company/PST /destkey:jhdfasdfnasdnflasjkdfnjklsdanflasdfn/nfasdjkfnasdjklfnsjkladnfasjkldfnsdjklf== /S /V:d:\PST_Upload\upload.log /NC:1

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