Right click on the server name. A menu should popup. Select Forget.
Close the eduVPN, Let's Connect! and govVPN clients first. Open a command prompt and paste one or both lines:
for /d %i in ("%LOCALAPPDATA%\SURF\eduVPN.Client.exe_Url_*") do rd /s /q "%i"
for /d %i in ("%LOCALAPPDATA%\SURF\LetsConnect.Client.exe_Url_*") do rd /s /q "%i"
for /d %i in ("%LOCALAPPDATA%\SURF\govVPN.Client.exe_Url_*") do rd /s /q "%i"
Don't forget to press Enter key after the line is pasted. This will reset eduVPN clients to factory defaults.
Download eduVPN_Pre-release_Self-update_Channel_On.reg file to your computer and double-click the file. Requires administrative privileges and a client restart.
Should you want to switch back to the default update channel, use eduVPN_Pre-release_Self-update_Channel_Off.reg file.
For Let's Connect! client use LetsConnect_Pre-release_Self-update_Channel_On.reg and/or LetsConnect_Pre-release_Self-update_Channel_Off.reg file respectively.
For govVPN client use govVPN_Pre-release_Self-update_Channel_On.reg and/or govVPN_Pre-release_Self-update_Channel_Off.reg file respectively.