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Have read kb article 875300 and need to re-run forestprep to repair ad directory service objects. &nbsp;Do i need to run forestprep on the parent domain exchange server and the child domain exchange server? &nbsp;Are there any gotchas I need to be aware? &nbsp;Does this need to be performed during offhours,(will it effect the email users?).
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Have read kb article 875300 and need to re-run forestprep to repair ad directory service objects.  Do i need to run forestprep on the parent domain exchange server and the child domain exchange server?  Are there any gotchas I need to be aware?  Does this need to be performed during offhours,(will it effect the email users?).

Unable to create or modify recipient update service receiving &quot;invalid argument&quot;

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Unable to create or modify recipient update service receiving &quot;invalid argument&quot;

Unable to create or modify recipient update service receiving "invalid argument"