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SQL Protocols

Topics from the Microsoft SQL Server Protocols team - Netlibs, TDS, SQL Browser, etc...

April 2008 - Posts

Steps to troubleshoot SQL connectivity issues
We have been seeing and trying to resolve SQL connectivity issue all the time. I guess it would be helpful if we can put some guidance on how to resolve connectivity issues. Here comes a proposal based on my experience. Basically, when you failed to connect Read More...
Could not connect to X64 named instance
We see a couple of cases where customer could not connect to named instance on X64. They all have the following symptons. 1) Customer has no problem to connect X86 instance on the same server machine even if it's a named instance. Customer can even connect Read More...
Understanding “Connection forcibly closed by remote host” Errors Caused by TOE/Chimney
Sporadic “Connection forcibly closed by remote host” errors with SQL Server connections can be very difficult to troubleshoot and resolve. This blog post is targeted at diagnosing TOE/Chimney issues that may lead to this client error message. Chimney Read More...
Why Browser is installed under 90\shared directory rathar than 100\Shared?
After installing SQL Server 2008, some users might notice that sqlbrowser.exe is installed under %ProgramFiles%Microsoft SQL Server\90\Shared, rather than %ProgramFiles%Microsoft SQL Server\100\Shared as some users expect. When setup fails for some reason, Read More...
Service Principal Name (SPN)
Did you know that beginning with SQL Server 2008, support for service principal names (SPNs) has been extended to enable mutual authentication across all protocols. Administators can now define their own SPNs. Thus SQL Server 2008 makes secure authentication Read More...
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