Error: "Unable to Initialize Connection" (Riva On-Premise)

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Starting the Riva Manager application results in a Windows exception error.

In the following sample, "V.V.V.V" stands for the version of Riva Manager, for example

Detailed technical information follows:
Date and Time:           9/9/2019 9:39:05 AM
Machine Name:            SERVER
IP Address:              <ipaddress>
Current User:            Domain\user1
Application Domain Name: RivaApp.exe
Assembly Codebase:       
file:///C:/Program Files (x86)/Omni/Riva/Application/V.V.V.V/RivaApp.exe
Assembly Full Name:      RivaApp, Version=
V.V.V.V, Culture=neutral, PublicKeyToken=6a8e6e68587f48be
Assembly Version:        
Assembly Build Date:     7/25/2019 10:39:07 AM

Exception Source:Omni.Connections.Ui
Exception Type:System.ArgumentException
Exception Message:Unable to initialize connection
Exception Target Site:xa4754773264a1cac

---- Stack Trace ----
   at Omni.Connections.Ui.x005719a644409e22.xa4754773264a1cac()
   at Omni.Connections.Ui.x005719a644409e22.x2add4c2f3bcf25d4(Object xe0292b9ed559da7d, EventArgs xfbf34718e704c6bc)
   at System.Windows.Forms.Control.OnClick(EventArgs e)
   at System.Windows.Forms.Button.OnClick(EventArgs e)
   at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ButtonBase.WndProc(Message& m)
   at System.Windows.Forms.Button.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)



The user who is logged in to the Windows system does not have sufficient local permissions to run the Riva Manager application (RivaApp.exe).


The user must log on to Windows as a user with administrator local permissions.

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