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I have written a program in the last days which automatically changes the proxy server. This runs as a Windows Forms Tray Application on the user level. Now came a request which caused me some problems. A cmd command "ipconfig /registerdns" should be executed but this requires higher permissions. I'm now looking for a way to easily execute this command in normal user context. Is there a way to run this one command as a system? Or any other possibility?

Or is there another function to re-register the dns without admin priviledge?

I hope there is a easy way.

Thank you very much!

Shazy
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3 Answers3

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As i know admin processes can only be created by another admin processes but still you can try adding this parameter to your process's start info 

StartInfo.Verb = "runas";

if it doesnt work you set your application to run always as admin by adding app.manifest to your project and editing line 19 as below.

<requestedExecutionLevel level="requireAdministrator" uiAccess="false" />
trksyln
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Create a script (.cmd or .bat) containing required command (here: "ipconfig /registerdns"), then flag it as "Run as administrator". Finally, run this script from your app instead of original command. This should help in flagging as "Run as administrator": How to code a BAT file to always run as admin mode?

VillageTech
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Okay so I found no solution for my former problem, because it is not possible to launch a elevated command from a user Application. But I found a powershell command: Register-DnsClient. This command does the same and does not need elevated priviledges. Only downside is it works only on Windows 8.1 and newer. So Windows 7 is not supported.

Shazy
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