SNARAS Ports Become Unavailable after Network Outage

ID: Q196077

The information in this article applies to:

Microsoft SNA Server, versions 3.0, 3.0 Service Pack 1, 3.0 Service Pack 2, 3.0 Service Pack 3, 4.0, and 4.0 Service Pack 1

SYMPTOMS

If an attempt to make an SNARAS connection to a remote server occurs while the SNA network is down (for example, a temporary outage), the remote access server (RAS) port used for the unsuccessful connection becomes unavailable for further use. If this pattern is repeated, eventually all SNA RAS ports become unavailable, and RAS will report error 633, "Port Unavailable."

CAUSE

SNARAS is not freeing up the RAS port after the unsuccessful dial-in attempt.

RESOLUTION

SNA Server 3.0

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

Q184307 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

WORKAROUND

To free up the unavailable RAS ports, stop and restart the remote access server service.

STATUS

Microsoft has confirmed this to be a problem in SNA Server versions 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.

Additional query words: snaras 633

Keywords :
Version :
Platform : WINDOWS
Issue type : kbbug