1. Open the command prompt as Administrator
  2. Run the following command
    1. for /F "tokens=1,2 delims= " %G in ('cmdkey /list ^| findstr Target') do  cmdkey /delete %H
    2. this will delete all saved credentials in the Windows Credential Store
  3. Run this command too:
    1. dsregcmd /forcerecovery
    2. This will force re-registration of your computer to your M365 account
  4. Log back into the SSLVPN