Troubleshooting HTTP 500.19 Errors in IIS 7

I few month ago, I was configuring a management software for Dell servers on IIS. Once I finish the all configuration, I decide to run the web app and I got the following error message:

HTTP Error 500.19 - Internal Server Error
The requested page cannot be accessed because the related configuration data for the page is invalid. Module DynamicCompressionModule
Notification SendResponse
Handler StaticFile
Error Code 0x8007007e
Requested URL http://localhost:80/
Physical Path C:\inetpub\wwwroot
Logon Method Anonymous
Logon User Anonymous

O no, now what? Well after doing some research, I was able  to find a solution. The reason of the error message  is the DynamicCompressionModule module is causing the trouble. This is because of the XPress compression scheme module (suscomp.dll) which gets installed with WSUS and this server is also a Distribution Point for SCCM so WSUS role is install for update catalog . Since Compression schemes are defined globally and try to load in every application Pool, it will result in this error when 64bit version of suscomp.dll attempts to load in an application pool which is running in 32bit mode.

The solution:  Remove / Disable the XPress compression scheme from the configuration using the command  
C:\Windows\system32\inetsrv\appcmd.exe set config -section:system.webServer/httpCompression /-[name='xpress']

OR Add an attribute of "precondition= "64bitness" for this module entry so that it loads only in 64bit application pools.

OR  Use a 32bit version of suscomp.dll

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