WebView2 and Disconnect Issues
If you are using WebView2 and have issues with Disconnect All not working or Excel failing during a Disconnect All, try adding the registry flag, PreserveThirdPartyCookies, and set it to "0".
Add the flag to:
HKCU\Software\Hyperion Solutions\HyperionSmartView\Options\
And use these values:
Name: PreserveThirdPartyCookies
Value: 0
Type: REG_DWORD