Microsoft KB Archive/258213

= Registration of gc._msdcs. Records in DNS Is Required =

Article ID: 258213

Article Last Modified on 2/28/2007

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Advanced Server

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This article was previously published under Q258213



SUMMARY
Registration (dynamic or manual) of the following A record(s) for computers that are global catalog servers in a Windows 2000-based forest is required:

gc._msdcs.



MORE INFORMATION
There are certain situations when you may want to disable the registration of A records performed by the Netlogon service on a domain controller. The Netlogon service on a domain controller performs various A record registrations:
 * A record(s) for the  for a domain controller
 * A record(s) for the gc._msdcs. if the domain controller is also a global catalog

You can disable this behavior by using the RegisterDnsARecords registry key. The RegisterDnsARecords registry key disables all A record registrations performed by Netlogon, but the registration of gc._msdcs. A record(s) is required. Therefore, these record(s) must be added manually in the appropriate DNS zone. For example:   gc._msdcs. .com    A      192.168.100.120

Keywords: kbdns kbinfo KB258213

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