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Posted by Joe Hurzeler on 10/24/07 23:02
Erland Sommarskog <esquel@sommarskog.se> wrote in
news:Xns996556346440Yazorman@127.0.0.1:
> Flash08 (stuart.karp@gmail.com) writes:
>> I'm having some trouble with connecting to SQL server instance lately
>> without adding a port number. I used to be able to always connect to
>> instance without having to input SQLSERVER,portnumber. However now
>> this is not the case. I doing this through an ADO connection object,
>> and creating the connection string. Does anyone know if there was a
>> recent Microsoft update or patch that would've cause this to stop
>> allowing me to connect to a SQL instance without having to put in the
>> port information? Thanks.
>
> More likely this is a change in your environment. You don't say which
> version of SQL Server you are using, but with SQL 2005 I think the
> requirement is that the Browser service is running. On SQL 2000, you
> need to be able to access port 1434 on UDP.
>
> In both cases, firewalls may get in the way.
>
>
Is there a reason you can't connect using Server\Instance type syntax?
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