Has anyone gotten application detection with mutex option to work?

I get a correct return when I use the OpenMutexA() API in a Clarion
EXE with MutexACL 20000h but a zero when trying the same mutex in SB.
The application can be detected by filename, but not by mutex.

If it's of any importance the application is running as a service.

OpenMutex( MutexACL, 0, lpMutexName ) is what I'm using in Clarion.

I would prefer to detect using the mutex if someone could point me in
the right direction. Any ideas?

--
Lee White

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