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"Port in use" error on ISA Server error w/pcAnywhere

Posted on 2004-11-05
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Last Modified: 2012-08-14
I publish a server for pcAnywhere connectivity to an internal workstation thru my ISA 2000 server. It works fine when first setup, then stops working & I can't connect. If I delete and recreate the protocol defs & the server publishing rules then restart the service it works again temporarily. I am getting this error in the event log:

Event Type: Warning
Event Source: Microsoft Firewall
Event Category: None
Event ID: 14163
Date: 11/2/2004
Time: 8:08:17 AM
User: N/A
Computer: ISASERVER
Description:
Server publishing rule [1-pcanywhere] that maps xxx.xxx.xxx.xxx:5631 TCP to xxx.xxx.xxx.xxx:5631 for protocol [1-pcanywhere] failed because the port on the external interface is being used by another application. The Firewall service failed to bind socket for the server on the firewall since another process is using the same port. Check for any other process using the same port and terminate if necessary.

IIS & Symantec Antivirus are running on this server.  HELP!!!
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Question by:jaredmitchell
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Expert Comment

by:TannerMan
ID: 12507236
Do you happen to have PcAnyWhere running on the ISA server itself? Just curious.

From ISA disable your publishing rule and restart your services. Then run
netstat -an

from a command prompt

Is port 5631 Listening on your external IP address?
It would look like

TCP    xx.xx.xx.xx:5631       listening
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Author Comment

by:jaredmitchell
ID: 12507523
DOH! I did have pcAnywhere installed on the server for testing th connectivity - I forgot about it! Although the service shows as manual and not started, I do believe this is the issue. I have uninstalled it and will test remotely very soon and let you know the results.

Thanks a lot Tanner!

Jared
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Author Comment

by:jaredmitchell
ID: 12567368
Tanner-

No dice... I did have pcAnywhere installed on the server, but removing it didn't help. I disabled the publishing rules for pcAnywhere, restarted the services and ran NETSTAT -an. Nothing is listening on port 5631. When I reenable the single publishing rule for 5631 (there are 4 req for pcA) & restart the services it does show as listening, but I get a similar error in the event log:

Event Type:      Warning
Event Source:      Microsoft Web Proxy
Event Category:      None
Event ID:      14148
Date:            11/12/2004
Time:            11:24:58 AM
User:            N/A
Computer:      ISASERVER
Description:
Web Proxy service failed to bind its socket to 66.xxx.xxx.xxx port 5631. This could be caused by another service that is already using the same port or by a network interface card that is not functional. The error code specified in the Data area of the event properties indicates the cause of the failure.  
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Author Comment

by:jaredmitchell
ID: 12605891
Used TCPview utility to monitor ports in use - even after removing all related rules & protocol definitions it still showed w3proxy.exe as listening on 5631. Opened incident with Microsoft and they quickly deduced that the install had to be corrupted and instructed me to remove & reinstall - which did resolve the problem. Fortunately they refunded the incident as well since I had already troubleshot it to the point of reinstalling.

Thanks for your contributions...

Jared
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TannerMan earned 1500 total points
ID: 12608586
glad you got it squared away buddy. Just hate you had so much trouble.
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