Windows 95 MSDLC32 Does Not Receive Multicast Packets

ID: Q170736

The information in this article applies to:

Microsoft Windows 95
Microsoft Windows 95 OEM Service Release version 1
Microsoft Windows 95 OEM Service Release version 2
Microsoft Windows 95 OEM Service Release version 2.1

SYMPTOMS

A DLC program may not receive multicast packets in Windows 95 using Microsoft's 32-bit Data Link Control protocol (MSDLC32).

CAUSE

MSDLC32 does not receive packets addressed to multicast addresses.

STATUS

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:

Download the Dlc32upd.exe file from the online service listed below to an empty folder.

In My Computer or Windows Explorer, double-click the Dlc32upd.exe file you downloaded in step 1.

Follow the instructions on the screen.

The following file(s) are available for download from the Microsoft Software Library:

~ Dlc32upd.exe

For more information about downloading files from the Microsoft Software Library, please see the following article in the Microsoft Knowledge Base:

Q119591 How to Obtain Microsoft Support Files from Online Services

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:

Q170737 Windows 95 MSDLC32 Does Not Receive Broadcast Packets

Q170736 Windows 95 MSDLC32 Does Not Receive Multicast Packets

Q159344 Fatal Exception in DLC Running Program from NetWare Server

Q156149 MSDLC32 May Not Receive All Packets in Heavy Traffic

Q148765 Availability of DLC Update for MSDLC32 Protocol

This issue is resolved in Microsoft Windows 98.

MORE INFORMATION

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.

Keywords : kbnetwork osr1 osr2 win95 kbAPI kbDLC kbSDKPlatform kbGrpNet
Version : WINDOWS:95
Platform : WINDOWS
Issue type :