Windows 95 MSDLC32 Does Not Receive Multicast Packets

This article was previously published under Q170736
This article has been archived. It is offered "as is" and will no longer be updated.
A DLC program may not receive multicast packets in Windows 95 using Microsoft's 32-bit Data Link Control protocol (MSDLC32).
MSDLC32 does not receive packets addressed to multicast addresses.
This issue is resolved by the following updated file for Windows 95 and OSR2:
Dlc.vxd version 4.10.995 (dated 6/18/97) and later
To install this update, follow these steps:
  1. Download the Dlc32upd.exe file from the online service listed below to an empty folder.
  2. In My Computer or Windows Explorer, double-click the Dlc32upd.exe file you downloaded in step 1.
  3. Follow the instructions on the screen.
The following file is available for download from the Microsoft Download Center:
For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to Obtain Microsoft Support Files from Online Services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.

The following files are installed by Dlc32upd.exe:
   File name     Version    Date/Time        Size     Destination folder   ----------------------------------------------------------------------   Dlc.vxd       4.10.995   6/18/97 3:31p    237,470  Windows\System				
For additional information about issues resolved by updates to this component, please see the following articles in the Microsoft Knowledge Base:
170737 Windows 95 MSDLC32 Does Not Receive Broadcast Packets

170736 Windows 95 MSDLC32 Does Not Receive Multicast Packets

159344 Fatal Exception in DLC Running Program from NetWare Server

148765 Availability of DLC Update for MSDLC32 Protocol
This issue is resolved in Microsoft Windows 98.
A multicast address is associated with a group of network nodes or stations. Packets sent to a multicast address are expected to be received by all stations on the network segment or ring that have the specified multicast address registered.

Article ID: 170736 - Last Review: 10/07/2013 04:03:26 - Revision: 2.3

  • Microsoft Windows 95
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