SP1 install fails with: Couldn’t resolve the user or group “mydomain.local/Microsoft Exchange Security Groups/Discovery Management.”

Exchange SP1 fails during the install of the mailbox role, with the following error:

 "Couldn't resolve the user or group "mydomain.local/Microsoft Exchange Security Groups/Discovery Management." If the user or group is a foreign forest principal, you must have either a two-way trust or an outgoing trust.".

Couldn't resolve the user or group "mydomain.local/Microsoft Exchange Security Groups/Discovery Management." If the user or group is a foreign forest principal, you must have either a two-way trust or an outgoing trust.

The setup where I experienced this issue, is a new Exchange 2010 install, installed into an existing Exchange 2007 environment. But I have seen that others have similar issues, when upgrading to SP1.

There does not seem to be any official KBs on the issue. Just a lot of people experiencing the same issue. (reference from google). But I found a valid solution to the issue.

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Calendar items not working properly on Nokia phones after Notes migration

I have seen this issue at several customers, when migrating from Notes (Domino) to Exchange 2010 using the Quest Notes Migrator for Exchange (Quest NME). The problem is ActiveSync not working correct on Nokia phones. Only new calendar items (after the migration) is synced to the Nokia phones. All older and therefore migrated calendar items … Read more

Exchange Server 2010 SP1 Rollup Update 1 is now Available

Yesterday the Exchange team released the Update Rollup 1 for Exchange Server 2010. This update includes new fixes for the following server roles: Client Access Mailbox Edge Server Hub Transport If you run Forefront for Exchange, remember to disable before the install and enable again, when install of RU1 is completed, see blog post below … Read more

Scripts for Public Folder Client Permissions Management in Exchange 2010

Exchange 2010 ships with some powerful scripts for managing Public Folder Client Permissions.

These scripts only apply to servers running Exchange 2007 or Exchange 2010, you can not specify a server running older versions of Exchange Server, although the Public Folder hierarchy can still be on an Exchange 2003, in case you want to add additional replicas etc (see my previous post).

The scripts are located together with the Exchange binaries, under: C:Program FilesMicrosoftExchange ServerScripts.

The scripts recursively goes through and updates your public folders replicas for every public folder in a hierarchy that you specify.

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