Microsoft KB Archive/252589

Knowledge Base

Dcomcnfg.exe Utility Improvements, Fixes, Registry Entries and Format of Ports Range Value

Article ID: 252589

Article Last Modified on 11/1/2006

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APPLIES TO

• Microsoft Windows NT Server 4.0 Standard Edition
• Microsoft Windows NT 4.0 Service Pack 1
• Microsoft Windows NT 4.0 Service Pack 2
• Microsoft Windows NT 4.0 Service Pack 3
• Microsoft Windows NT 4.0 Service Pack 4
• Microsoft Windows NT 4.0 Service Pack 5
• Microsoft Windows NT 4.0 Service Pack 6
• Microsoft Windows NT 4.0 Service Pack 6a
• Microsoft Windows NT Server 4.0 Enterprise Edition

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This article was previously published under Q252589

SYMPTOMS

When you use the Dcomcnfg.exe tool to add a port range to Connection-oriented Transport Control Protocol/Internet Protocol (TCP/IP) properties, and then view the registry entry for the new port range, there may be extra spaces in the port range value. Also, if you use the Dcomcnfg.exe tool to remove a port range, and then view the registry, the following registry key may not be removed:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Rpc\Internet

RESOLUTION

A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:

   Date      Time                 Size    File name     Platform
   -------------------------------------------------------------
   01/26/00  1:52pm               142,096  Dcomcnfg.exe    Intel
   01/25/00  9:47pm               212,752  Dcomcnfg.exe    Alpha
                

STATUS

Microsoft has confirmed that this is a problem in Windows NT 4.0.

MORE INFORMATION

Steps to Reproduce Spaces in the Port Range:

1. Start Dcomcnfg.exe, and then click the Default Protocols tab.
2. Click Connection-oriented TCP/IP in the Protocol list, and then click Properties.
3. Add a port range by clicking Add.
4. Enter a port range, for example "5000-6000" without quotation marks, and then click OK. Note the space around the hyphen.
5. Use Registry Editor to view the following registry key:

   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Rpc\Internet\Ports

   You will see spaces around the hyphen.

Steps to Reproduce Registry Key not Removed:

1. After adding a port range as specified in the preceding procedure, it creates the following key:

   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Rpc\Internet

2. Start Dcomcnfg.exe, and then click the Default Protocol tab.
3. Select Connection-oriented TCP/IP in the protocol list, and then click Properties.
4. Remove all port ranges by clicking Remove All.
5. Use Registry Editor to view the following registry key:

   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Rpc\Internet

   It is not removed.

For a list of items affected by the RPC port entries enterred in the Registry with additional spaces, click the following link below:

246784 RPC Services Fail: Not Enough Resources Available to Complete This Operation

Keywords: kbhotfixserver kbqfe kbfix kbprb KB252589

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