No SQL Server selection during Installing Operation Manager 2012 R2

during the installation of System Center Operation Manager 2012 R2, you might stuck at the step of selecting a SQL server instance for Reporting Services. the drop box is empty and there is nothing to select .

searching for a solution on the internet was not easy , this could happen for different reasons , one main reason is connectivity to the SQL server and the reporting services as described here :


but for me the reason was different and not obvious !
This problem could happen when you are trying to install the first Management Server and at the same time you selected to install both Management Server and Operation Console.

The solution will be simply to first install the Management Server and then run the setup again to Install the remaining features like Operation Console and Web Console.

Dell OpenManage SAS Controller Warning

Sometimes you will see "non-critical" warning on your storage node .
the problem is not easy to understand why this happen , looking at the details of the hard drives won't give you a direct answer.

after doing some research , I found out that the reason is because I am using drives that are not certified by Dell and there are no way to get rid of this warnings !

MS System Center App Controller 2012 R2

Starting 2012 SP1, you need to install App Controller beside VMM to get the Self Service Portal.

Install App Controller : Remote Database Server Configuration

When you try to install System Center App Controller 2012 R2,

you might get the below error:

"A netvvork-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or 

was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections."

This error could happen because the current user does not have permission to 

create the database on the server, so assign the right permissions or use a different user.