2.5 IBM OS/2 LAN Server IBM OS/2 LAN Server, which is also known as IBM DOS LAN Requester, is based on Microsoft LAN Manager. Windows supports LAN Server versions 1.2 and higher. . LAN Server versions 1.2 and 1.3 are equivalent to Microsoft Network and are handled as such by Windows. . LAN Server version 1.3 CSD 5015 or higher is equivalent to Microsoft LAN Manager version 2.0 and is handled as such by Windows. . LAN Server version 2.0 comes with its own Windows components which are automatically used by Windows Setup. In addition: . If the network Browse functions in Windows File Manager and Control Panel do not show all the available servers, you may need to increase the LAN Server /NVS option. You can do this by adding the following line to the DOSLAN.INI file in your LAN Server directory: /NVS:1 Set the value to a number at least as large as the number of servers in your domain. . If you want to receive pop-up messages while working in Windows, make sure the following lines are included in the DOSLAN.INI file in your LAN Server directory: /NMS:2 /RCV /POP The value of /NMS may be set higher but must be a minimum of 2. You must also make sure the entry load=WinPopup is included in the [windows] section of your WIN.INI file. .