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httplogin.vbs is not closing the IE Session

we are using a modified version of the HTTPLogin.vbs script (from the sample folder) to test logins in our environment. The script runs fine if you test locally and gives us the needed output.

But unfortunately if we use the script in a application monitor it runs for 30 Minutes or sometimes two hours and than it stucks. When we check Taskmanager on the Orion Server we see a lot of Internet explorer session (iexplore.exe). When we kill these processes the monitor will work again for a while. Beside that we see a lot of counterfetcher.exe and conhost.exe processes running, but I'm not sure if that is related to the script monitor.

Did anyone run into the same issue and have an idea how to close the IE session correct?

attached our modified vbs script as txt file.

Eike

HTTPLogin.txt

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Accepted answers

aLTeReGo

Another option that would probably work best would be to evaluate our Synthetic End User Monitor product. It's designed specifically to address these specific use cases.

All comments

bobross

Are there any wscript processes that are stuck running along with the iexplore processes? Could be stuck in one of the while loops.

I never ran into this problem specifically with InternetExplorer.Application before. I have seen behavior where a script runs fine locally, but doesn't function properly when run from Solarwinds though. FWIW, I don't see any problems with the HTMLDoc.Quit() calls - they look to be in all the right places.

FormerMember

Hey Bob Ross

no nothing with wscript process.

It looks like there is max of (IE) sessions allowd on the system and than it stops creating a new session.

I will play around with the polling intervall maybe that helps a bit.

FormerMember

so here the odd thing we figured out.

if the local user, who is used to run the monitor, is logged in to the server, the monitor and so though the vbscript is running without any problems. the problem starts if this specific user log off from the server and no active session exist.

It is a 2008 R2 Server if that helps somehow.

martin.susil

Hello,

is your script doing something special why you couldn't use native 'HTTP Form Login Monitor' in APM?

What IE version is installed on the Orion box? If it's not the latest, could you try to upgrade it?

It looks like errors are not handles in the script correctly. If you run the script manually from command line and use Task Manager to see list of processes - can you see that iexplorer.exe is started and terminated sucessfully?

One thing I would suggest is to replace usage of 'InternetExplorer.Application' object, you could use 'MSXML2.XMLHTTP' (http://stackoverflow.com/questions/204759/http-get-in-vbs), which does not start an instance of Internet Explorer to do the work.

PS: CounterFetcher.exe and connhost.exe processes are related to Performance Counter polling and are not related to this issue.