MMC Issues

Problem: MMC could not create the snap-in or not able to open management console.
MMC Snap-in is not loading most processes and throwing an error on Windows 2008R2 x64.

Giving an error: mmc could not create the snap-in. CLSID: FX:{18ea3f92-d6aa-41d9-a205-2023400c8fbb} when opening server manager. also coming similar errors while opening windows services, event viewer, etc.


There are number of solutions can resolve this issue.

Solution Number 1
Open command prompt with administrative privileges.
Run sfc /scannow from command prompt.
Problem might have resolved if not use Solution number 2

Solution Number 2
Step 1. Open this folder location C:\Windows\Microsoft.NET\Framework64\v2.0.50727\CONFIG
Step 2. Copy the ‘machine.config’ file to desktop or rename it to machine.config.old just in case you required later on.
Step 3. Make a copy of the “machine.config.default” file resided int the same folder and rename it to “machine.config”.
Problem might have resolved if not use Solution number 3

Solution Number 3

Close all MMC instance if it is open and install/re-install hotfix KB2686831 to fix this issue.

Solution Number 4
Install hotfix rollup for .NET Framework 2.0 SP2
Windows Server 2008 R2 SP1
Windows Server 2008 R2 (non-SP1)

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