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author's profile photo Former Member
Former Member

Microsoft SQL Server Login Connection failed

After upgrade from 2005 to 2007, some workstations get this error:

Microsoft SQL Server Login

Connection failed

SQLState; u201808001'

SQL Server Error: -1

[Microsoft] [SQL NATIVE CLIENT] SQL Network Interfaces: error locating server/instance specified [xFFFFFFFF]

Connection failed;

SQLState: 'HYT00'

SQL Server Error: 0

[Microsoft] [SQL NATIVE CLIENT]Login timeout Expired

Connection failed;

SQLState: '08001'

SQL Server Error: -1

[Microsoft] [SQL NATIVE CLIENT] an Error has occurred while establishing a connection the sql 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

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2 Answers

  • author's profile photo Former Member
    Former Member
    Posted on Aug 14, 2009 at 09:53 PM

    HI

    Please check :

    Start >Programs>Sqlserver 2005>Configuration toools>Surface area configuration for service and connection

    Click on remote connection > select the option using both TCP and IP and name pipes .

    I believe you have installed Sql native client .

    check also this thread .

    sql-server-login-failed

    See if your problem resolves

    Bishal

    Edited by: BIshal Adhikari on Aug 14, 2009 2:58 PM

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  • author's profile photo Former Member
    Former Member
    Posted on Aug 17, 2009 at 04:56 AM

    Hi,

    Are you Install SQL Native Client in your client machine.

    Check the following thread

    Not able to access the Sql in Client

    *Close the thread if issue solved.

    Regards

    Jambulingam.P

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