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Registration of gc._msdcs.<DnsForestName> Records in DNS Is Required

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.DnsForestName
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 DnsDomainName for a domain controller
  • A record(s) for the gc._msdcs.DnsForestName 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.DnsForestName A record(s) is required. Therefore, these record(s) must be added manually in the appropriate DNS zone. For example:
   gc._msdcs.<mycompany>.com     A      192.168.100.120				
Properties

Article ID: 258213 - Last Review: 02/28/2007 19:25:48 - Revision: 3.2

  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • kbdns kbinfo KB258213
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