Blank ActiveSync ExternalUrl after Exchange 2013 CU3
December 4, 2013 at 11:05 PM
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Saso Erdeljanov
We experienced small issue upgrading to Exchange server 2013 CU3 (does not apply to clean install, only upgrade from previous Exchange 2013 builds).
Upgrading to CU3 blanks ExternalUrl parameter of ActiveSync virtual directories.
Luckily existing ActiveSync devices will continue to work, new devices would require manual configuration if you will not configure value for ExternalUrl parameter. To set value of ExternalUrl parameter use cmdlet or via EAC.
To set all ActiveSync Virtual Directories to same value use following cmdlet:
Get-ActiveSyncVirtualDirectory | Set-ActiveSyncVirtualDirectory –ExternalUrl “https://mail.exchange.si/Microsoft-Server-ActiveSync”