Cannot connect to named instance

  • I cannot seem to be able to connect to a named instance from one of my dev boxes. I get "does not exsist or denied error" when trying to connect via EM. The password is correct and I have triple checked the name of the server. I cannot even connect to the default server. The two machines are connected to different domains. The server that I wan't to connect from can connect to other servers that the target server is in.

    From Server win2k sp4 : SQL2K 32BIT SP3

    To Server win2003 datacenter : SQL2K 64 BIT SP3 - Clustered Active - Active

    Both servers are using TCP/IP sockets. I can ping the default server and created a Client network alias by supplying the port of the named instance. Still no joy. (If I do not specify the domain name of the default server I cannot get a response when pinging)

    Any pointers on this one will help.


    Andy.

  • did you enter the fully qualified name in EM ?

    'MyW2k3SQL2KServer.theotherdomain.theotherdomainsuffix' ?

     

    Johan

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  • Yes


    Andy.

  • Have you been able to connect to the other DOMAIN any computer??

    Sounds like you may be having firewall and/or trust issues between the domains based on what you are showing so far.



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    AJ Ahrens


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  • Yes I can.

    I have also connected to the target server (64bit) from another machine on the Client server's same domain.

    I am busy doing ipconfig checks on the two....


    Andy.

  • I think I found the problem. The server that cannot connect has a hot strapped IP with no default "Connection-specific DNS Suffix" therefore you have to fully qualify the servername.

    I went to another machine ,on the faulty servers domain , that can connect to the 64bit machine and fully qualified the named instance server. The connection failed. It seems as if you cannot fully qualify a named instance server.

    I will have to set the Suffix on the server to the 64bit domain.....Ill try , ill see....

     


    Andy.

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