Microsoft KB Archive/168496

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Windows 95 RPC Does Not Retry Failed Named Pipe Connections

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Q168496

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The information in this article applies to:


 * Microsoft Windows 95
 * Microsoft Windows 95 OEM Service Release, versions 1, 2, 2.1

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SYMPTOMS
Windows 95 clients using Remote Procedure Calls (RPCs) to connect to an endpoint over named pipes may receive the following error message:

The RPC server is unavailable. Do you wish to continue?

CAUSE
The named pipe connection code in the Windows 95 RPC run-time libraries does not make any retry attempts after a failed named pipe connect.

RESOLUTION
This issue is resolved by the following updated file for Windows 95 and OSR2, and later versions of this file:

  RPCLTC1.DLL  version 4.00.951  dated 2/13/97  8,192 bytes A version of this file that resolves this problem is included in DCOM95 for Windows 95, version 1.3, and can be downloaded from the following Microsoft Web site:

"http://www.microsoft.com/com/dcom/dcom95/dcom1_3.asp"

STATUS
Microsoft has confirmed this to be a problem in Microsoft Windows 95 and OEM Service Release 2 (OSR2). An update to address this problem is now available, but is not fully regression tested and should be applied only to computers experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft does not recommend implementing this update at this time. Contact Microsoft Technical Support for additional information about the availability of this update.

This issue is resolved in Microsoft Windows 98.

MORE INFORMATION
The updated RPC stub code has been modified to retry failed named pipe connects up to 20 times. This is identical to the method used in Microsoft Windows NT.

For additional information about Windows 95 updates, please see the following article in the Microsoft Knowledge Base:

"Q161020 Implementing Windows 95 Updates" Additional query words:

Keywords : kberrmsg kbnetwork osr1 osr2 win95 kbAPI kbRPC kbSDKPlatform kbGrpDSNet

Issue type : kbprb

Technology : kbWin95search kbOPKSearch kbWin95 kbWin95OPKOSR2 kbWin95OPKOSR1 kbWin95OPKOSR210