How to stop the SBCore service from shutting down your server

Tools you’ll need – Process Explorer http://technet.microsoft.com/en-us/sysinternals/default.aspx

As you probably know, you have a service called “SBCore Service”, which executes the following process: C:\WINDOWS\system32\sbscrexe.exe

If you kill it, it just restarts – and if you try and stop it you are told Access Denied.

If you fire up Process Explorer, you can select the process and Suspend it, now we can start to disable the thing.

Run regedt32.exe and find:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SBCore

Right click this, choose Permissions and give the “Administrators” group on the local machine full access (don’t forget to replace permissions on child nodes).

Press F5 in regedt32 to refresh, and you’ll see all of the values and data under this key.

Select the “Start” DWORD and change it from 2 to 4 – this sets the service to the “Disabled” state as far as the MMC is concerned.

Next, adjust the permissions on the file C:\WINDOWS\system32\sbscrexe.exe so that EVERYONE account is
denied any sort of access to this file.

Then go back to process explorer, and kill the sbscrexe.exe process, if it doesn’t restart – congratulations!

Load up the services MMC snap-in and you should find that “SBS Core Services” is stopped and marked as Disabled.

This info was taken from Here

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