Orchestrator Installation Issue While Setup IIS Server "System Runtime InteropServices COMException 0x80070032 The Request Is Not Supported"

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Orchestrator installation issue while setup IIS server "System.Runtime.InteropServices.COMException 0x80070032). The request is not supported" .

Orchestrator installation issue while setup IIS server

System.Runtime.InteropServices.COMException (0x80070032): The request is not supported. (Exception from HRESULT: 0x80070032)

at Microsoft.Web.Administration.Interop.IAppHostMethodInstance.Execute()

at Microsoft.Web.Administration.Binding.AddSslCertificate(Byte[] certificateHash, String certificateStoreName)

at Microsoft.Web.Administration.BindingManager.BindingTransaction.Commit()

at Microsoft.Web.Administration.BindingManager.Save()

at Microsoft.Web.Administration.ServerManager.CommitChanges()

at UiPath.Orchestrator.Setup.Configuration.IisConfiguration.CreateWebSite(String siteName, String bindingProtocol, String port, String hostName, String physicalPath, String applicationPoolName, X509Certificate2 certificate, StoreName storeName)

at UiPath.OrchestratorCAs.CustomActions.Deferred.ConfigureIisAction.Execute()

at UiPath.OrchestratorCAs.CustomActions.Base.BaseCustomAction.InternalExecute()

Resolution: Follow the steps below to use default cipher suite list,

  1. Go to “Start > Run“. Enter: gpedit.msc
  2. In the left pane, expand “Computer Configuration > Administrative Templates > Network > SSL Configuration Settings“
  3. In the right pane, right click “SSL Cipher Suite Order” and choose “Edit”
  4. Save the text inside “SSL Chiper Suite” field to a Notepad for backup
  5. Select “Not Configured”
  6. Click “OK”
  7. Restart the server (gpupdate does not enforce this setting. Restart the server)

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Note: If the setting is already "Not Configured", change it to "Enabled" and restart the server. It should work. Later, change it back to "Not Configured" and restart again.