On more than one occasion over the last few days we have seen the SCOM07 pre-req check fail due to ASP.net not being registered. We added and removed it a couple of times to no avail and finally re-registered it, reset IIS and were good to go. We have run into this repeatedly with various customers. The add/remove programs, iisreset and rebooting weren't enough, we had to register the components with the following commands:

Please follow the procedure below to register ASP.NET:

1. Open Command Prompt.
2. Change directory as follows:
   • For 32-bit machines change to:
     <WindowsDir>\Microsoft.NET\Framework\<version number>\
   • For 64-bit machines change to:
     <WindowsDir\Microsoft.NET\Framework64\<version number>\
3. Run the command ‘aspnet_regiis.exe -i’ and press enter

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