Vusers Gets Stalled in Exiting Status in load runner

      While stopping the test Vusers go to "Gradual Exiting" status but get stalled there for a long time. Even stopping the test makes the users to go to "Exiting" Status but seem to be there for ever.

      If you are sure that the test is complete and stopping the vuser forcefully won't affect your results then safest way is to do a Stop Now. In case that button is disabled then disconnect the Load Injector from the scenario. This will make the user to error-out. Re-connect the LG and re-collate the test results (in case it didn't collate properly).
There are 2 ways to change this value; 

one is to change the config file or using a function in your script.

Next thing you need to do is to restart the controller machine and register the controller dlls; this can be done by running the batch file "register_controller.bat"
placed at: "LoadRunner Install Dir\bin"
Log-off and re-login to the machine.

This case can get worsen if you are using CITRIX protocol and you manually tried to stop a vuser who was performing the below two functions at that time:
"ctrx_sync_on_bitmap_change" and "ctrx_sync_on_bitmap"

In case of you have large number of Vusers in your scenario then mention a limit on number of vusers that can stopped at given time also how you stop them. The setting for ramp-down limit is given in the LG properties:

Go to "Run-Time Quota" tab of LG details page and select the check-box for limiting the number of vusers that can be stopped and provide appropriate value in it.
For setting on how to stop the vusers:

Open Tools -> Options in Controller and go to "Run-Time Settings" tab
Select the appropriate option while stopping the vusers in the second option (depends on your scenario).