Err Msg: The Snap-in That Has Been Selected Failed to Initialize Properly (232951)



The information in this article applies to:

  • Microsoft Internet Information Server 4.0

This article was previously published under Q232951
We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 6.0 running on Microsoft Windows Server 2003. IIS 6.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:

SYMPTOMS

When you open the Microsoft Management Console (MMC), the following error message appears:
The snap-in that has been selected failed to initialize properly
After you click OK in the dialog box, all snap-ins fail to appear in the MMC.

CAUSE

Mfc42u.dll is missing from the \Winnt\System32 directory.

RESOLUTION

To replace this file, uninstall and reinstall the Windows NT Option Pack, and reapply the latest service pack.

Modification Type:MinorLast Reviewed:6/23/2005
Keywords:kbpending kbprb KB232951