SBS 2011 SQL Express 2008 R2 does not exist or access denied

Hello All.

I am havin a problem that is driving me crazy.  I have an SBS 2011 server running just fine.  on that server, SQL Express 2008 R2 is installed and running.  I have a SQL instance setup for a maintenace program.  the program is installed and running just fine on the server.

I have the firewall open on the server for the 1433 and 1434 ports.

TCP/IP is enabled in SQL Configuration and I have the option to allow remote connections turned on.  

When I install the program on the workstations, I cannot connect to the SQL database.  I use the same connection string as the server and it fails.  when I try to use the ODBC tools to connect to the database on the server I get;

error 17, SQL server does not exist or access denied

I have double checked the firewalls, it does work from the server, i have even tried to connect with the sa account, no dice.

any help would be appreciated.

Mark
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bobbydall2000Asked:
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Shawn ConstableStaff IT EngineerCommented:
By Default SQL express cannot be accessed over the network,
You need to go into the SQL configuration Utility and enable the TCP/IP and Named Pipes.
Obi WanFixerUpperCommented:
Check error message 2 resolution mate

http://support.microsoft.com/kb/839269

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venk_rCommented:
Check to see if The Microsoft SQL Browser service is turned off or not installed on the database server system.
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bobbydall2000Author Commented:
Hi.  I have enabled TCP/IP and Named Pipes on the server using the SQL Config Utility.  the SQL Browser service is running on the server and 445 is allowed on all firewalls.  I ran the cliconfig utility on the client and created and alias and made sure TCP and Named Pipe were added as protocols.  No change.
bobbydall2000Author Commented:
As a note, when I try to create a SQL Server ODBC connection from the workstation using the ODBC tools, the drop down shows the server name (SBSSERVER) but not the instance (SBSSERVER\TEST).
bobbydall2000Author Commented:
Never mind, solved it myself.  When creating an alias using cliconfig, I created a TCP/IP alias which didn't work.

I added a Named Pipe alias and that worked.  So the program is ok now running from the workstation.

Cheers
Mark
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