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installation policy error

Im using a dental program open dental i am trying to you use the eservices when i go to install i get the error message . failed upgrading to the econnector service.. requested registry access not allowed..  logged in as admin on the server ... i am running 2012 server essentials..  I tried installing manually I get this error..... application attemted to perform an operation not allowed by the security policy to grant this application permission contact system admin or use the .NET framework config tool
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Vadim Rapp
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@arnold, if I'm not mistaken, applications don't need to be UAC-aware in order to perform privileged operations. Whenever an application is trying that, UAC notices and shows the prompt for the administrator to approve it. This is transparent for the application and works the same way for the applications created well before UAC was born.
That Might be correct at all times/for all aspects. The UAC will prevent an application from performing a restricted task, the application has to trigger the request to elevate rights at which point the uac will present the modal dialogue.

Try it, if you use an admin account to login, run cmd, then try and run dism /online /get-features.
If your contention was correct, the uac would prompt to elevate your rights to allow the command to execute. But that is not what happens, the response is an error that says this command has to be run in elevated environment.

It is possible that UAC's settings are also part of that issue.  I.e. The install package would trigger the UAC prompt, but the user's UAC settings are never prompt.

In the question the user got an error, presumably the user was not prompted to elevated declined the uac elevation and is surprised by the error.
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after countless hours of troubleshooting with the other members help I ended up installing function on a local workstation