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Unable to Connect to SQL Server

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I'm getting this erro when inatslling SCCM12 with SQL 2008 Ent.


Setup is unable to connect to SQL Server with the connection information provided. Verify the following:


The SQL server and instance names are entered correctly

-- I have specified the server name and instance name (full dns name and instance name)


The specified SQL server instance is not configured to use dynamic ports

-- I have checked the firewall and it's not (excepts i'm checking wroing place)


If a firewall is enabled on the SQL Server, inbound rukes exist to allow connections to the correct ports

-- Firewall is open to all connection on bothe SQL server and from AD


The account used to run setup has permissions to connect to the specified SQL server instance

-- using admin account


System Info:

Windows 2008 R2

SQL 2008 Ent with SP2 & CU7


Please help






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I have been able to overcome this issue and proceed to prereq. check and here we go it faile with some pre-installed soft/module. I was following the installation doc on the site but not mentioning any of this.


Thanks and also see screen shot attached


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I have reinstalled the SQL with CP1_CI_AS but still getting error failed with USMT, Windows deployment Tools and Preinstallation even after installing and re-installed - adksetup - Windows Assessment and Deployment Kit (Windows ADK) for Windows 8.1. Is there anything I have to do or any configuration after installing this?


Please help



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