Why does NiVisaServer.exe is running when Labview is running??

[Thanga]

I am running two identical test setups for some system testing.  The PC configuration and test cases are same on both the setups. I am using  Labview version 8.5 . I observe the setup running with NiVisaServer.exe is slow as compared to the other setup. The same file is not running in the other setup.  My question is , does NiVisaServer.exe slow down the Labview execution?? Why does NiVisaServer.exe is not running in the other tester eventough both are identical??

[smercurio_fc]

More than likely it might have been accidentally set to start up when the PC starts. See attached screenshot for where this is configured in MAX.