This article was previously published under Q281884
Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows registry
By default, Performance Monitor (Perfmon.msc) displays multiple processes that have the same name by enumerating the processes in the following way:
Process#1 Process#2 Process#3
Performance Monitor can also display these processes by appending the process ID (PID) to the name in the following way:
Note In Microsoft Windows XP and in Microsoft Windows Server 2003, this tool is named System Monitor.
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
To enable or to disable PIDs in process names, follow these steps:
Click Start, click Run, type regedit, and then click OK.
Locate and then click the following registry subkey: