Error message after you install security update 931212 (MS07-040) in Windows 2000 with Service Pack 4: "Error 127: the specified procedure could not be found"

After you install security update 931212, Microsoft NET Framework 2.0-based applications return the following error message when you browse a Web site that is running Internet Information Services (IIS) 5.0 in Microsoft Windows 2000 with Service Pack 4 (SP4):Security update 931212 is described in security bulletin MS07-040.

After Windows 2000 SP4 was released, additional hotfixes were created for Windows 2000. One of those hotfixes included a change to the heap management APIs on which the .NET Framework 2.0 depends. If a Windows 2000 SP4-based computer has not been updated with Update Rollup 1 for Windows 2000 SP4, the updated heap management API will not be available on the computer. Therefore, the .NET Framework 2.0 returns the error.

Install Update Rollup 1 for Windows 2000 SP4. For more information about the Update Rollup 1 for Windows 2000 Service Pack 4, click the following article number to view the article in the Microsoft Knowledge Base: Or, you may contact Microsoft Customer Support Services to obtain hotfix 816542. Hotfix 816542 contains the specific fix to the heap management API. Hotfix 816542 is included in the Update Rollup 1 for Windows 2000 Service Pack 4. For more information about hotfix 816542, click the following article number to view the article in the Microsoft Knowledge Base: For information about how to contact Customer Support Services, visit the following Microsoft Web site:

For more information about security update 931212, click the following article number to view the article in the Microsoft Knowledge Base: