This command-line tool analyzes the state of one or all domain controllers in a forest and reports any problems to assist in troubleshooting. DCDiag.exe consists of a variety of tests that can be run individually or as part of a suite to verify domain controller health.
Tool locationThe DCDiag command-line tool is included when you install Windows Server 2003 Support Tools from the product CD or from the Microsoft Download Center(http://go.microsoft.com/fwlink/?LinkId=100114). For more information about how to install Windows Support Tools, see Install Windows Support Tools(http://go.microsoft.com/fwlink/?LinkId=62270).
Tool requirementsA)NETDIAG B)dnscmd C)netsh d)dcdiag
A)NETDIAG B)dnscmd C)netsh d)dcdiag
dcdiag
In Command prompt type dcdiag /test:ridmanager /s:system1 /v (system1 is the name of our DC)
it is the command line tool used to analyze the state of Windows domain controller it can check DNS errors.It can also help to check security for AD domain.
DCDiag is a utility program used in Windows Server 2003 and above for diagnosing problems with AD (Active Directory). It can be used to test problems with Active Directory as well as diagnosing DNS problems.
1.install support tools from OS disk(OS Inst: Disk=>support=>tools=>suptools.msi) 2.In Command prompt type, dcdiag /test:ridmanager /s:system1 /v (system1 is the name of our DC)
1.install support tools from OS disk(OS Inst: Disk=>support=>tools=>suptools.msi) 2.In Command prompt type, dcdiag /test:ridmanager /s:system1 /v (system1 is the name of our DC)
1.install support tools from OS disk(OS Inst: Disk=>support=>tools=>suptools.msi) 2.In Command prompt type, dcdiag /test:ridmanager /s:system1 /v (system1 is the name of our DC)
1.install support tools from OS disk(OS Inst: Disk=>support=>tools=>suptools.msi) 2.In Command prompt type dcdiag /test:ridmanager /s:system1 /v (system1 is the name of our DC)
This problem rises when the member server joined in domain first reboot of the server the above problem will occur. Cause is dns resolution taking long time or DNS server is responding slowly. To fix the problem run netdiag/fix or dcdiag/fix