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Error Connecting to SQL Server 2005 Instance Expand / Collapse
Posted Tuesday, December 9, 2008 12:44 AM
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Hi All ,

Just a heads up ..Should you encounter this error :

An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1)

This simply means that udp port 1434 is not open on your network.A work around is to connect to your instance by using port 1503


We experienced this with our cluster servers and resolved it this way.

Hope this helps

Post #615956
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