A default upgrade from SCVMM RC to RTM is not possible because it's not supported. The following error message is displayed then:
Microsoft has a SCVMM upgrade tool available for doing this. It can be requested HERE Best thing is to open a support incident via the web for free usage. In my case the upgrade tool was available within one (1) hour!
Just follow the steps described in the e-mail message which is send by Microsoft. The most important ones are in this blog post also.
First make sure no open connections are available to SCVMM. Also have a look at which service account is used for the VMM service. Then click uninstall, choose remove features and select the necessary modules. In my case I selected VMM Management Server, VMM Console and VMM Self-Service Portal. On the Database options page make sure to choose Retain Data.
After uninstalling, which takes a few minutes, the database must be upgraded from RC to RTM version. This can be done with the UpgradeVMM2012RC.exe tool, send by Microsoft. With UpgradeVMM2012RC.exe /? you can see what different parameters you can use. The command I used here is showed in the picture. Good news: The upgrade successfully completed!
Now it's time to install SCVMM again. Just start the RTM setup and specify the VMM database retained from the RC installation. Also the Service account used for the VMM service must be filled in again. Select all the components to install the SCVMM RTM version.
When an error message is displayed that the upgrade cannot be done, make sure that all VMM RC components are uninstalled before. It's also possible that an error message is displayed that the VMM Library share already exists. Just remove the share before starting setup again.
After that the Setup completed successfully! Now it's time to look at new functionality and update the existing VMM Agents.
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