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How to use Start Before Login (SBL)
SEE TDX https://service.purdue.edu/TDClient/32/Purdue/KB/ArticleDet?ID=1979
A new module has been added to our Cisco AnyConnect that allows the VPN to Start Before Logon or SBL.
Logging In
- At the lock screen, press Ctrl+Alt+Del to show the sign in screen.
- If you haven't already, make sure you are connected to the internet via WiFi or a wired connection.
- Before typing your credentials, look for this icon, located in the bottom-right corner:


Connecting to VPN
- The icon should present the AnyConnect login window. Sign in with your Purdue username and password (it will send a Duo notification to your phone to accept).

- A new icon should appear in the bottom-right indicating the connection was successful:

- You should be able to sign in as normal now.
Notes
- This will stay connected until you log out or restart the computer.
- This process needs to be followed each time after a reboot or log out.
- If the VPN disconnects while you are logged in, you can restart the VPN client like you normally would.
Last Modified:
Dec 11, 2025 1:38 pm US/Eastern
Created:
Jun 24, 2020 8:21 am GMT-4
by
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