Verifying SRV resource records using Nslookup

by Mitch Tulloch [Published on 2 Sept. 2009 / Last Updated on 16 March 2009]

You can use the Nslookup command to verify that the SRV resource records needed by Active Directory have been created properly when Dcpromo was run on the server.

You can use the Nslookup command to verify that the SRV resource records needed by Active Directory have been created properly when Dcpromo was run on the server.

To do this, type the following commands and verify that the command output shows the correct name for your domain controller, the correct name for your domain, and the correct IP address for your domain controller:

    C:\Users\administrator>nslookup    
    Default Server:  UnKnown    
    Address:  ::1    
    > set type=all    
    > _ldap._tcp.dc._msdcs.fabrikam.com    
    Server:  UnKnown    
    Address:  ::1    
    _ldap._tcp.dc._msdcs.fabrikam.com       SRV service location:    
              priority       = 0    
              weight         = 100    
              port           = 389    
              svr hostname   = sea-sc1.fabrikam.com    
    sea-sc1.fabrikam.com    internet address = 172.16.11.30    
    > quit    
    C:\Users\administrator>    

This sample command output can also be found in my book Windows Server 2008 Server Core Administrators Pocket Consultant from Microsoft Press.

The Author — Mitch Tulloch

Mitch Tulloch is a widely recognized expert on Windows administration, networking, and security. He has been repeatedly awarded Most Valuable Professional (MVP) status by Microsoft for his outstanding contributions in supporting users who deploy and use Microsoft platforms, products and solutions. Mitch has published over two hundred articles on different IT websites and magazines, and he has written or contributed to almost two dozen books and is lead author for the Windows 7 Resource Kit from Microsoft Press. For more information, see www.mtit.com .

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