Article ID: 193690
This article was previously published under Q193690
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We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 7.0 running on Microsoft Windows Server 2008. IIS 7.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:
http://www.microsoft.com/technet/security/prodtech/IIS.mspxFor more information about IIS 7.0, visit the following Microsoft Web site:
Wildcard rule mappings may disappear after deleting other wildcard rule mappings.
Wildcard rule mappings are not re-indexed when a deletion occurs. Any mappings with an index higher than the index of the deleted mapping will be orphaned from the list of wildcard mappings, but will still reside in the metabase. When new mappings are created, a duplicate may appear if it uses a index that correspond to one of the existing orphaned mappings.
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/152734/EN-US/ )How to Obtain the Latest Windows NT 4.0 Service Pack
Microsoft has confirmed this to be a problem in Internet Information Server version 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 5.
Before you apply this fix, install the fix described in 191385
(http://support.microsoft.com/kb/191385/EN-US/ ), "Duplicate Rules Appear in Secure Channel Account Mappings Advanced," to avoid additional deletion problems in Certmap.ocx.
This fix is not included in the Windows NT Option Pack QFE update.
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