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QUOTE(superslug @ Apr 11 2007, 09:44 PM) If you're using XP, the simplest way is Control Panel >> Performance and Maintenance >> Administrative Tools >> Event Viewer Look at the "System" and "Application" logs and see if there's anything from tagsrv.exe, Shared Variable Engine, or the Service Control Manager.

QUOTE(superslug @ Apr 10 2007, 05:52 PM) Given the symptoms, that error code would indicate to me that the Shared Variable Engine was not running at the time when your ran your VI that referenced the deployed variable. After a restart, the service was automatically started up again and everything worked. The deployment step does not depend directly on the shared variable engine. Rather it is deployed to a different subsystem, which was clearly running correctly at the time. Now that it works, it will be difficult to diagnose exactly what happened, but if you could browse your windows event log and look for anything posted from the Shared Variable Engine service or the executable tagsrv.exe and let me know, I'd appreciate it. If you see this problem again, check your task manager to see if that process (tagsrv.exe) is running. You can also check the service control manager applet and look for the Shared Variable Engine service. If it's not running, then at least we'll know that that's the problem at the top level.