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To begin, here is an article which talks about what Microsoft Product Activation is and why it is important.
Tutorial Microsoft Office Activation Error 0X80070426 Windows 7 SP1 OrYou get an error 0x80070426 when you try to activate a Windows 7 SP1 or a Windows Server 2008 R2 SP1 KMS client by running slmgr ato.
Source: Microsoft-Windows-Security-SPPEvent ID: 1001Level: ErrorDescription: The Software Protection service failed to start. To resolve this, make sure the Security Processor Loader Driver is started. ![]() It could be either Automatic, Demand or System, but not started. You could also as shown below change it from the registry by browsing to HKEYLOCALMACHINESYSTEMCurrentControlSetservicesspldrand change the start value to 0 and reboot. Tutorial Microsoft Office Activation Error 0X80070426 Driver Fixes TheIn almost every case that we have seen, reinstalling the driver fixes the issue (i.e. Once its started, you will be able to start Software Protection Service and then activate Windows successfully. Scenario 2 Plug Play When trying to activate using slmgr atoyou get the following error even when running the command elevated. While missing permission is the root cause, we have seen instances where GPO is not enabled and the permission does not seem to be correct. We also have a blog written by our office team member on how to set the permissions using command line which we have found to be useful. First, to verify you have the right permissions, run the below command. To add the permission back, type dcomcnfgon the RUN box and hit OK. Reboot the machine. Scenario 3 Read-only attribute As in scenario 1, we may get error 0x80070426, where a user gets the following when trying to activate Windows 2008 R2 SP1 or Windows 7 SP1. Scenario 4 Troubleshooting with Procmon Here, we will give an idea on how to use Procmonto troubleshoot activation issue. Windows Server 2012 R2 On a Windows Server 2012 R2 server, when we try to run any slmgrswitches, we get the error below. Once you get the error, we should see entries similar to what is shown below. In this case its a folder but could be a registry path too based on where we are missing permissions. Usually we start with the last folder so in this case it would be 2.0. Comparing permissions on broken machine (Left) and working machine (Right) we can see that sppsvcis missing. Click on Edit and from Locations choose your local machine name, then under Enter the object names to select type NT Servicesppsvc and click on Check Names then OK. We hope this blog was useful in troubleshooting some of your activations issues.
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