Navigate to the key below using Regedit.exe and create a new string value of "KeepRASConnections" and set to one of the settings below.

Key:[HKEY_LOCAL_MACHINE\Software\Microsoft\WindowsNT\CurrentVersion\WinLogon]
Value Name: KeepRASConnections
Data Type: REG_SZ
Data:(0=disable, 1=enable)

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