Article ID: 216051
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Clients get an Access Denied error although the access is granted to the client using DCOMCNFG.
When access permissions for a DCOM server are configured using DCOMCNFG, the .exe name should be mapped to an AppID under HKEY_CLASSES_ROOT\APPID; however, it does not do this in Windows NT 4.0 Service Pack 4 (SP4).
Windows NT Server or Workstation 4.0To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
Windows NT Server 4.0, Terminal Server EditionTo resolve this problem, obtain the latest service pack for 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:
(https://support.microsoft.com/kb/152734/EN-US/ )How to Obtain the Latest Windows NT 4.0 Service Pack
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows NT Server version 4.0, Terminal Server Edition Service Pack 6.
AccessPermissions work as follows: