I find myself quite often trying to keep straight all the different replication activities that can occur within an Active Directory (AD) domain. There is: Intrasite Replication Urgent Replication Intersite Replication Intersite Change Notification Replication Reciprocal Replication Immediate Replication Manual Replication
I ran across a document from Microsoft that lists maximum limits for Active Directory. This document pertains to Windows 2000 Server and Windows Server 2003. There is no reference to Windows Server 2008 in the document. However, the majority of the limits also apply to Windows Server 2008. Below is a summary of the maximums. The full details, including rationale, can be found here: http://technet.microsoft.com/en-us/library/cc756101.aspx.
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