Saturday, October 26, 2013

Exception has been thrown by the target of an invocation

Recently I had to troubleshoot the following error for a client in ECP when trying to browse for an OU to create a new mailbox in Exchange 2013.
Exception has been thrown by the target of an invocation
The only reference to the error that I could find for Exchange 2013 related to domain controllers not being in the default Domain Controllers OU. Sure enough, this client had added child OUs inside of Domain Controllers. The child OUs were being used to control how WSUS was pushing out updates to the domain controllers.

To resolve the issue, we moved the domain controller computer objects back directly into the Domain Controllers OU and removed the child OUs from inside the Domain Controllers OU. We did this in all three domains.

A blog article that I used when troubleshooting:

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