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I am trying to install Azure AD Connect in my server2012 R2 Server. I have followed the Custom installation option provided with the installer. I have followed the document from Microsoft docs. Microsoft doc AAD custom install

But I am getting error as An erroroccured executing Configure AD Sync task:user_realm_discovery_failed: User realm discovery failed. No specific information for this failure is available.

I have tried Express settings too , but again same error is occurring. Expect help to resolve this error . Thanks

dmit
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2 Answers2

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i did changes in web config it it works

<system.web>
    <!--<authentication mode="None" />-->
    <compilation debug="true" targetFramework="4.7.2" />
    <httpRuntime targetFramework="4.7.2" />
    <pages controlRenderingCompatibilityVersion="4.0" />
  </system.web>

just updated targetframework

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User Realm Discovery Failed: Network or proxy configuration issues. The network cannot be reached. See Troubleshoot connectivity issues in the installation wizard.

Here a case same as you, please refer to it.

Jason Ye
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