Hi Mike. I'm thinking that this is how we will have to know if the patch has been installed or not. There also appears to be a KB*.log file for each patch that is installed as well.

>Hi Evan,
>
>Don't know if this will help, but on my W2K box, the WINNT subdirectory has folders for the patches ie. $NtUninstallKB329115$
>
>>>>>Check out this message: 996943
>>>>
>>>>This determines the service pack number, we instead need to determine if a specific hotfix has been installed.
>>>
>>>I thought that hotfixes are shown in the Add/Remove programs window.
>>
>>I should have been more specific, we are trying to automate this process, not have a human do it. We therefore need a command line utility or something similar.