Table of Contents
What is Dcdiag used for?
As an end-user reporting program, dcdiag is a command-line tool that encapsulates detailed knowledge of how to identify abnormal behavior in the system. Dcdiag displays command output at the command prompt.
How do you check if a computer is a domain controller?
Checking whether your computer is joined to Active Directory:
- Click the windows button and type advanced, it should take you to system properties.
- Look under the Computer name, domain, and workgroup settings for this entry: Domain: ad.uillinois.edu. (means you are connected to the campus UOFI Active Directory)
How to verify msdfsr-computerreferencebl is not correct?
The error means that the value of the attribute msDFSR-ComputerReferenceBL is not correct. You can verify it by performing the following steps: 1. On the Domain Controller, open Active Directory Users and Computers console. 2. In the console, select Domain Controllers, and then double-click the DC object AD2008 in the right pane.
Why does dcdiag fail to verify FRS objects and attributes?
In this case, DCDiag assumes falsely that the File Replication Service (FRS) is still configured for SYSVOL, and it tries to verify FRS objects and attributes in an Active Directory database that doesn’t exist. So you can expect the verification to fail.
Is msdfsr-computerreferencebl domain function level raised to Windows Server 2008?
Based on the attribute name msDFSR-ComputerReferenceBL, I believe that the domain function level has been raised to Windows Server 2008. Therefore, the KB article Q312862 may not apply to your environment. The error means that the value of the attribute msDFSR-ComputerReferenceBL is not correct.
Why can’t I run dcdiag on Windows Server 2003?
The Windows Server 2003 version of DCDIAG doesn’t report back an error if it can’t connect to the event log; it only reports if it connects and finds errors. The Windows Server 2003 version of DCDIAG doesn’t test the RPCSS service configuration. There are multiple workarounds to these issues: Ignore all these errors when running DCDIAG.