When migrating to Exchange 2010, and attempting to run the mailbox enable wizard, the mailbox store drop down menu is blank and cannot proceed with the wizard.
This is caused by permission issues on the Exchange 2010 server. The execution policy is restricted and therefore the mailbox stores cannot be viewed by Notes Migrator for Exchange.
Open up Powershell and run the following script: set-executionpolicy unrestricted
Then run: Get-ExecutionPolicy
The result should return: 'unrestricted'.
This will allow scripts to run. Powershell is restricted by default and will not allow the Exchange cmdlets to be downloaded.
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