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Title
ERROR: [4965-24-45-80070005] Unable to open target mail store -
Description
When attempting to migrate users to Exchange. you receive the following prompt
The Exchange Migration Admin could not access the user's mailbox.
In the WLOG file you will see
Error: Outlook is using an old copy of your Offline Folder file (.ost). Exit Outlook, delete the .ost file, and restart Outlook. A new file will be automatically created the next time you initiate a send/receive.
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