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Run the installation off of the installation media. Click on the Install button on the menu that initially pops up.

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.NET Framework is a prerequisite and can be downloaded from: http://www.microsoft.com/en-us/download/details.aspx?id=17718

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Once you download the installer package, run it and follow the installation wizard.

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Once completed, proceed with the System Center 2012 Operations Manager installation.

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Select features you would like to have installed.

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There are a number of additional prerequisites that have to be met before you can continue with the installation.

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Fist one is the Report Viewer.

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It can be downloaded from: http://www.microsoft.com/en-us/download/details.aspx?displaylang=en&id=6442

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Once completed click on the Verify Prerequisites Again button. You’ll be prompted to add the Web Server (IIS) Support role.

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Verify Prerequisites Again. Next, add the IIS6 Metabase Compatibility role.

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Verify Prerequisites Again. You’ll be prompted to enable ASP.NET v4 under ISAPI and CGI restrictions.

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Start the IIS manager.

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You’ll notice that ASP.NET v4.0.30319 is missing as it is not registered.

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Start the Command Prompt as Administrator, and run the following command:
C:\Windows\Microsoft.NET\Framework64\v4.0.30319>aspnet_regiis.exe -i

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Once ASP.NET v4.0.30319 has successfully registered with IIS you’ll see the above message. In addition, it will show up in the ISAPI and CGI restrictions window in the IIS manager. Select both and click on Allow on the right hand side menu.

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Even though I’ve registered ASP.NET and enabled/allowed it, when I’d Verify Prerequisites Again, it was showing that nothing has changed. I was still asked to register and enable ASP.NET. Resetting IIS didn’t help. I’ve had to repair the ASP.NET v4 installation and restart the server. When I re-ran the SC2012OM installation and Verified prerequisites I was good to go.

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Specify the management group name if you are installing a new/first Management Server.

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Specify SQL server to be used to store the Operational Database. Make sure that the user account you are using to run the installation has sufficient permissions on the SQL server to create a new database and that the SQL Server is at least Standard R2 with SP1.

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Repeat the same for the the Warehouse Database.

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Specify the SQL server instance for Reporting Services.

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Next you’ll be prompted to specify which web site to use with the Web Console.

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Select Authentication Mode for use with the Web Console.

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Next, provide accounts to be used with the Operations Manager.

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You’ll also be prompted to select whether you want to check for Microsoft Updates.

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Finally, click on the Install button to start the installation process.

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Once installation has been completed successfully you will be able to start the Operations Console.

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