Microsoft 365 insights from the field

A blog by Peter Schmidt about Security, Identity, Email Protection, Compliance, AI & Copilot, and Tenant-to-Tenant migrations

Robert’s Rules of Exchange – The Scenario

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Great blog post by Robert Gilles (MSFT) on You has me at EHLO, the post “Robert’s Rules of Exchange: The Scenario” is his first post in a series of scenario based and real life inspired blog posts on Exchange 2010 implementations. Today we kick off Robert’s Rules of Exchange, a series of blog posts in which we take a fictitious company, describe their existing Exchange implementation, and then walk through the thought processes behind the …

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

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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

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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 are not synchronized to the Nokia phones. I have now come across a great script from Kent, which corrects the …

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Lync Server 2010 Reaches RTM

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Great news, the MSFT UC Team announced on their blog, that Lync Server 2010 has reached RTM. Now we have a finished product. General Availability is set for November 17th . Same day as Lync Server 2010 Launch in DK. The Lync 2010 release takes collaboration and productivity to the next level by: Providing a single platform that integrates the various modes of communication necessary for people and businesses to be productive. It does this …

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Exchange 2010 Architecture Poster Released

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Microsoft has released a 2010 version of the famous Exchange Architecture Poster. The poster helps you understand how the major components of Exchange 2010 work and serves as a quick reminder and a learning tool. See it or get it here. Also if you attend TechEd Europe in Berlin next month, you can get it at the UC booth.