Remote TCPIP Connection to SQL 2008 fails

  • I have a installed a new SQL 2008 server (Standard Edition) on Windows Server 2003 (Standard Edition)

    The instance name is the default MSSQLSERVER

    Remote Connections are enabled

    Mixed Mode Authentication is enabled

    Using SQL Config Manager, I have set TCPIP Protocol as follows;

    TCP Dynamic Ports = blank for all IPs

    IP1 Active = Yes, Enabled = Yes, TCP Port = 1433

    IP2 Active = Yes, Enabled = No, TCP Port = 1433

    IP3 Active = Yes, Enabled = No, IP = 127.0.0.1, TCP Port = 1433

    IPAll Active = TCP Port = 1433

    I can ping the server

    I can FTP the server

    I can Remote Desktop

    I cannot telnet <ip> <port>

    I cannot connect using OSQL -S<IP>,1433 -Ufoo -Pfoo

    Windows Firewall is disabled

    IIS is disabled

    Any thoughts ? This is driving me nuts !

  • Also; the SQL Browser Service is on and I have restarted the services after each config change.

    And aplogies if this should have been posted in the Admin section.

  • Phew, finally solved this ...

    In "Local Security Settings" there was a "Default Security Policy" which had a "Deny" filter enabled for "MSDE/MS SQL"

    Disabled the filter and hey presto !

    I must have looked at hundreds of online posts without coming across this so hopefully others will benefit from this 🙂

  • Hi,

    I'm having similar problems and I’ve tried all sorts. When you say there was a "Default Security Policy filter enabled for "MSDE/MS SQL" was this a windows policy on one on MSQL server? Any pointer much appreciated. 🙂

  • I'm running Windows Server 2003. The deny setting was set in Admin Tools -> Local Security Policy -> IP Security Policies On Local Computer -> Default Security Policy

  • cheers chris, I'm on a 2008 box but settings are similar but didnt have MSDE/MS SQL policy listed 🙁

    I'll continue to dig around.

    cheers.

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