Updated: April 17, 2012

Applies To: Windows Server 2008 R2, Windows Server 2012, Windows 8

Removes Performance counter names and Explain text for a service or device driver from the system registry. For examples of how this command can be used, see Examples.

Unlodctr <DriverName> 




Removes the Performance counter name settings and Explain text for driver or service <DriverName> from the Windows Server 2003 registry.


Displays Help at the command prompt.


Incorrectly editing the registry may severely damage your system. Before making changes to the registry, you should back up any valued data on the computer.

If the information that you supply contains spaces, use quotation marks around the text (for example, "<DriverName>").

To remove the current Performance registry settings and counter Explain text for the Simple Mail Transfer Protocol (SMTP) service:

unlodctr SMTPSVC