If you get the following error while opening IIS :

MMC could not create the Snap-In

Then execute the steps given below to fix this issue.

1. Register the .dll files “mmcndmgr.dll” and “inetmgr.dll”

a)  Start | Run | cd  %SystemRoot%\system32 Here, ‘SystemRoot’ refers ‘C:\Windows’.

b) regsvr32 mmcndmgr.dll

c) regsvr32 inetmgr.dll

(regsrv32′ is a command line tool to register the .dll in the registry.)

2. Uninstall and Re-install IIS

To install, Start | Control Panel | Add/Remove Windows Components | Check ‘Application Server’, click ‘Details’ | check ‘Internet Information Services’ | Click ‘OK’

Now you can access IIS without any error.

Happy Bookmarking!