Unable to connect to remote server

i have serverA and ServerB. On serverA i can connect locally and remotely to serverB. On serverB i can connect locally but not remotely to serverA, when trying to establish a connection to serverA i keep recieving this error message:

I am using SQL 2005 Server and Express editions.

A connection was successfully established with the server, but an error occured during the pre-login handshake. 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: Named pipes Provider, error 0- No process is on the other end of the pipe.) (Microsoft SQL Server, error: 223)

I have checked in the configuration manager that TCP/IP is enabled. There is obviously something i am missing as i can connect one way but not the other, but i cannot see any difference with the setups.

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Comments

Grynder

Have you checked to make sure the ports are open on the firewall?

billybob01

Ok i have just found the issue, if i right click on the database and goto connections the allow remote connections box was not ticked, but when i ticked the box i recieve an error message stating that this edition of SQL does not allow you to have remote connections!! Crazy. This database is on SQL 2005 Express.

Any ideas?

Grynder

That error you are getting is strange. I don't believe I have ever come across it.
How are you trying to connect to the server? Is the latest Native CLient installed on Server A? That was something I needed to install when I used php to access the SQL Server