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Microsoft KB Archive/101344

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Knowledge Base

Article ID: 101344

Article Last Modified on 9/30/2003


  • Microsoft LAN Manager 2.0 Standard Edition
  • Microsoft LAN Manager 2.1 Standard Edition
  • Microsoft LAN Manager 2.1a
  • Microsoft LAN Manager 2.2 Standard Edition

This article was previously published under Q101344


Windows for Workgroups does not natively support LAN Server 1.3 but there are ways to make it work well in a LAN Server 1.3 environment. This article provides two procedures: one for configuring WfW so you can access LAN Server 1.3 shared resources, and a second that is useful for achieving communications between WfW and LAN Server 1.3 in 3270-emulation environments.


IBM's LAN Server is based on the core Microsoft LAN Manager code, using the same data communications protocol (NetBEUI) and the same file and print sharing protocol (server message block--SMB). This similarity makes it easy for LAN Manager/WfW clients to interoperate with IBM LAN Servers.

LAN Server uses aliases and the domain controller in ways that require you to maintain accounts on both the LAN Manager/WfW environment and LAN Server, and to add sharenames to LAN Server resources. Once you have done this you can access LAN Server resources.


To access LAN Server 1.3 shared resources, follow these steps:

  1. One or more WfW machines on your LAN must select the LAN Server domain for WORKGROUP Name. This may sound odd but it has to do with the VBROWSE service WfW implements, which is sophisticated but not fully compatible with LAN Server 1.3.
  2. You must configure WfW for LAN Manager access and logon to a LAN domain (as though you are running LAN Manager, which of course is what LAN Server 1.3 is based upon): in the CONTROL PANEL select NETWORK, and make the configuration change in the Networks--LAN Manager dialog box.
  3. These two steps allow you to LOGON to the LAN Server. To have access to LAN Server shared resources you first must create a sharename. In the IBM LAN Server environment an alias equals what we in a LAN Manager/WfW environment call a sharename. For example: in a LAN Server environment you may type in NET USE H: PCHOME, but in a LAN Manager/WfW environment you must type in the full resource name--NET USE H: \\SERVER1\PCHOME. Aliases are usually created by default on the LAN Server machine, but sharenames must be added manually.

After completing these steps, reboot. You now should be able to logon and link to any resources.

By default, clicking on the domain name from a file manager screen (that is, from a graphical user interface net connection) does NOT expand into the file servers. To get a list of the sharenames you can connect to, type \\SRVNAME in the path box (in the example below, \\SERVER1) but remember that being able to connect does not mean you have access rights for the files. Use the access control lists on the server to see which files you have rights to.

Once you are connected, set up your links. Here is an example:

          \\SNASRV\IPC$  (for comms server)

Once they are set up, WfW automatically reestablishes them (and logs on) during startup.

If you have the same userid on two servers, you can access resources just as if you were logged onto both. The user in the example above could be using resources on SNASRV, such as its DCA/MS communications server for the session, and linked to a local home drive on \\SERVER1. Remember: if you have accounts on several machines, you must synchronize your passwords to avoid security problems.

If the WfW password and LAN Server password are not the same, you may be prompted to store the LAN Server password in the WfW password list. This is due to some of the original authors' proprietary software/hardware.


An alternate method for achieving communication between WfW and LAN Server 1.3 is to install the IBM LAN Support drivers (the DXM*.* drivers) on the WfW client and perform a NET START FULL before starting Windows.

This uses the real mode redirector, which has different capabilities (less available memory, etc.), but it is useful in environments where 3270 emulation is required, because the IBM LAN Support Program drivers also support the DLC protocol, which is often used to support 3270 emulators such as IBM Personal Communications 3270, Attachmate, etc.

Additional query words: wfw wfwg 2.00 2.0 2.10 2.1 2.10a 2.1a 2.20 2.2 netbeui

Keywords: KB101344