To install the Intersite Messaging service for SMTP transport on all Windows Server 2008 domain controllers that will replicate over SMTP connections, follow these steps: Open an elevated command prompt, and then run the following command: %windir%\system32\pkgmgr /iu:DirectoryServices-ISM-Smtp.

When a DNS server receives an update through Active Directory replication: If the serial number of the replicated record is higher than the serial number in the SOA record of the local copy of the zone, the local zone serial number is set to the serial number in the replicated record.

This article describes a memory leak issue that occurs on Windows Server 2012 R2-based domain controllers and on a Windows 8.1 or Windows Server 2012 R2-based computer that has the Active Directory Lightweight Directory Services (AD LDS) server role installed.

The risk from too much scanning is that files are inappropriately flagged as changed. This causes too much replication in Active Directory. If testing verifies that replication is not affected by the following recommendations, you can apply the antivirus software to the production environment.

When you type repadmin /showrepl at the command line of the Windows Server domain controller, one or more of the domains may not appear. When you try to add a connection by using the naming context of the missing domain, you may receive the following error message: Error number: 8440.