Fix: The Application-Specific Permission Settings do not Grant Local Activation Permission for the COM Server Application

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After the updates, he encountered many DCOM (DistributedCOM) errors on Windows 10 computers. It looks like TrustedInstaller from a previous application and RunTime Broker did not grant permission to system and local administrators during an upgrade of Windows 10. It’s just a nuisance, but it also slows down the connection to Windows 10.

Depending on the description of the error: A user (e. g. IIS Apppool) or a system (NT AUTHORITY\SYSTEM) tries to start a COM component via the DCOM infrastructure and cannot do so because the “Local Launch” or “Local Activation” authorization is missing. The error code contains only the class codes of the COM component and the application. Let’s try to determine which particular application the identifier belongs to and assign the necessary permissions to successfully start and activate it.

Grant permission to DCOM

You may need to grant authorization using the following statement.

  1. Click Start -> Run -> Type -> dcomcnfg, expand Component Services -> Computer -> My Computer -> DCOM Configuration.
  2. Click on View -> Detail -> You now get the application name and application ID on the right side.
  3. Scroll down and find the application ID {AD65A69D-3831-40D7-9629-9B0B0B0B50A93843}. -> Right-click -> Properties and select the Security tab.
  4. Under “Launch & Activation Permission”, click on Customize -> click on Edit -> Add in the account NT AUTHORITY\SYSTEM and define local start and activation.
  5. Restart the application service associated with this application ID or restart the server and monitor.

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Regedit becomes the owner

You must take responsibility and then transfer the rights on two different keys. The keys are:



  1. Open Regedit with administrator privileges and navigate to the above keys (remember you must do it twice).
  2. WinKey + X >> Admin Prompt >> Regedit Input
  3. Right-click on the button >> Permissions
  4. Click on Advanced
  5. At the top of the screen, change the owner to COMPUTERNAME\Administrators.
  6. Please note that if you are an accessed domain, you must change the location of your search on your local computer.
  7. Search in the Authorization entries field.
  8. If the group of local system administrators is listed, make sure they have full control.
  9. If the Administrators group is not listed, add it and give it full control. (Note that you can only do this if you are a member of the Administrators group and they now own it).
  10. Click OK >> Make sure you apply permissions to all child objects.


Windows 10 is Microsoft’s newest and largest operating system and the company has urged users to upgrade openly from previous ones. This is logical and there are some improvements compared to its predecessors. Recently, however, there have been numerous “DistributedCOM(DCOM) Errors Event ID:10016” error reports in system logs.

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