KB193986 - Enable OtherServers Function In The Firewall Environment

Article ID: 193986

Article Last Modified on 10/27/2006

Microsoft SNA Server 1.0

This article was previously published under Q193986

SYMPTOMS

SNA Server clients are unable to get application sessions on SNA Servers configured through the OtherServers registry parameter when the Firewall registry entry is also configured on the client. The OtherServers registry entry is ignored if the Firewall entry is present.

CAUSE

The OtherServers and Firewall registry entries are designed to be mutually exclusive.

RESOLUTION

An update is available that allows the Firewall parameter to be ignored when the client is trying to connect to a SNA Server defined in the OtherServers parameter.

SNA Server 3.0

To resolve this problem, obtain the latest service pack for SNA Server version 3.0. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

184307 How to Obtain the Latest SNA Server Version 3.0 Service Pack

SNA Server 4.0

This problem was corrected in the latest SNA Server version 4.0 U.S. Service Pack. For information on obtaining this Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

   S E R V P A C K

STATUS

Microsoft has confirmed that this is a problem in SNA Server versions 2.11SP1, 2.1 SP2, 3.0, 3.0 SP1, 3.0 SP2, 3.0 SP3, 4.0, and 4.0 SP1. This problem was first corrected in SNA Server 3.0 Service Pack 4.

MORE INFORMATION

In addition to the hotfix, a registry parameter has to be added to allow the Firewall parameter to be ignored. To add the registry value, perform the following steps:

SNA Server Client for Windows NT

Start Registry Editor (Regedt32.exe), and go to the following location:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services \SnaBase\Parameters\SnaTcp\

NOTE: The above registry key is one path; it has been wrapped for readability.
Add the following information:
```
   Value Name: UseFireWallWithOtherServers
   Data Type: REG_SZ
   String: NO
```
NOTE: The default string value is YES, which is also the default if the entry does not exist.

SNA Server Client for Windows 95

Start Registry Editor (Regedt32.exe), and go to the following location:
HKEY_LOCAL_MACHINE\Software\Microsoft\SnaBase\Parameters\SnaTcp\
Add the following information:
```
   Value Name: UseFireWallWithOtherServers
   Data Type: REG_SZ
   String: NO
```
NOTE: The default string value is YES, which is also the default if the entry does not exist.

For Additional information regarding SNA Server and Internet firewalls, please check the following article in the Microsoft Knowledge Base:

139508 Internet Firewall Support in SNA Server

For additional information regarding the SNA Server OtherServers subkey, please see the online Help files.

Keywords: kbbug kbfix KB193986