Actually Configuring The Exchange Availability Service In A Cross-Forest Environment

If you’ve ever looked at configuring the Exchange Availability Service to allow cross-forest free/busy lookups you’ve probably realised that the documentation surrounding it is awful. Get-MailboxServer | Add-ADPermission -Accessrights Extendedright -Extendedrights "ms-Exch-EPI-Token-Serialization" -User "<Remote Forest Domain>\Exchange servers" From here, doesn’t even work for a start, because Get-MailboxServer doesn’t return the correct identity objects for Add-ADPermission. Once you’ve worked out how to get that sorted and done your Add-AvailabilityAddressSpace -Forestname ContosoForest.com -AccessMethod PerUserFB -UseServiceAccount:$true You’re probably thinking that you’re done, but it usually isn’t that simple....

2017-06-09 · 3 min · Adam