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L JFlag for United Kingdom of Great Britain and Northern Ireland

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Microsoft Windows Network: The local device name is already in use

I have an issue that just started happening with an ODBC Connection on a Windows 2003 Server (VP1) failing to connect to a database on remote Windows 2008 R2 SQL Server (SQL1).

I received the following error:
ERROR ODBC Database Datasource 'D4TN' [][Named Pipes Provider: Could not open a connection to SQL Server[2], while SQLConnect 08001
Failed to connect to Database using DSN 'D4TN' Err -1


I also noticed that the network shares of the SQL Server are not accessible anymore from 'VP1', I receive the following errors when trying to browse or clicking on the mapped drives:
An error occurred while reconnecting J: to \\SQL1\share
Microsoft Windows Network: The local device name is already in use
This connection has not been restored:


I am still able to browse network shares on 'SQL1' from all other Servers and also have successful ODBC connections to the database D4TN.

I can't ping the 'SQL1' server from 'VP1' and can't ping 'VP1' from 'SQL1', but I can ping 'VP1' and 'SQL1' successfully from other servers.

Please advise on how I can resolve this issue.
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efrimpol
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Have your rebooted VP1?
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efrimpol
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Was there any recent Firewall change or GPO policy update? Ping sometimes doesn't work if is closed by network engineers but telnet to IP PortNumber should work.
Also on VPN1 - try run at command prompts a "tracert <SQL1IP>" to see where connection is "broken"
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ASKER

Hi All,

I found out the issue. Someone or something had changed of the NIC's TCP settings which had the wrong IP Address entered.

Thanks for your responses.
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Thanks guys