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):
Error 127: the specified procedure could not be found
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:
900345 Fixes that are included in the Update Rollup 1 for Microsoft Windows 2000 Service Pack 4 that is dated June 28, 2005
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:
816542 The Windows XP low fragmentation heap algorithm feature is available for Windows 2000
For information about how to contact Customer Support Services, visit the following Microsoft Web site: