System Manager Software (SMS) Webclient returns "HTTP Error 500 Internal Server Error" when loading the web page



Product Line 
SMS 4.x

A 500 Internal Server Error is defined by the HTTP/1.1 standard as 'A generic error message, given when no more specific message is suitable'. In the case of SMS, this error may appear because of one of the following:
The ASP Session State is disabled

1. Open Start -> Control Panel -> Administrative Tools
2. Open Internet Information Services and browse to the PowerlogicWeb virtual directory.
3. Right click on PowerLogicWeb and choose Properties.
4. Under the tab Virtual Directory click on Configuration.
5. Under the Options place a check next to 'Enable Session State'.
6. Open Start -> Run. Type in IISRESET and click OK. This will restart IIS services.
7. Relaunch the webclient.

vbscript.dll and jscript.dll need to be re-registered

1. Open Start -> Run
2. Type the following with quotations: regsvr32 "c:\windows\system32\vbscript.dll"
3. Click OK
4. Open Start -> Run
5. Type the following with quotations: regsvr32 "c:\windows\system32\jscript.dll"
6. Click OK