TCP/IP Network Library Stoped responding -- sql server connect

Humam
8/22/2005 12:17:48 PM

I have been using SQL for a while using TCP/IP server side network utility
only, but suddenly it seems that I am unable to connect to SQL.
Checking most of the related posiblities (TCP/IP Protocol ...Etc...) I was
unable to resolve the connection problem.
Finaly, I added Named Pipes Server side network utility and I was able to
connect.
So, it comes to my mind that the server being infected by virus, then I
updated the virus defenition and scan the server, the server is clean.

Can anybody tell me why the SQL server stoped responding to TCP/IP protocol?

Mike Epprecht (SQL MVP)
8/23/2005 6:03:04 AM

Hi

TCP connectivity problems are usually related to DNS. Check that your DNS
can resolve the machine.
--
--------------------------------
Mike Epprecht, Microsoft SQL Server MVP
Zurich, Switzerland

MVP Program: http://www.microsoft.com/mvp

Blog: http://www.msmvps.com/epprecht/

[quoted text, click to view]

Srik
10/1/2005 12:57:55 PM

Also, did you recently upgrade the server operating system to a version
where firewall is on by default ?
For example, in XP Sp2 the firewall is on by default. This prevents tcp/ip
connections from going through but NP connections succeed as the SMB port is
open to enable file/print sharing.

Srik [MSFT]
[quoted text, click to view]

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sql server connect : TCP/IP Network Library Stoped responding