# Pritunl: Impact of Switching to TOTP-Only Authentication?

**URL:** <https://forum.pritunl.com/t/pritunl-impact-of-switching-to-totp-only-authentication/3541>\
**Category:** Pritunl VPN\
**Tags:** pritunl\
**Created:** [September 19, 2025, 1:13pm UTC](https://forum.pritunl.com/t/pritunl-impact-of-switching-to-totp-only-authentication/3541 "2025-09-19T13:13:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![jay](https://forum.pritunl.com/user_avatar/forum.pritunl.com/jay/32/1319_2.png) [@jay](https://forum.pritunl.com/u/jay)\
**Post date:** [September 19, 2025, 1:13pm UTC](https://forum.pritunl.com/t/pritunl-impact-of-switching-to-totp-only-authentication/3541/1 "2025-09-19T13:13:42Z")

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Hello,

I’m using a Pritunl Server and have configured an 8-digit PIN along with TOTP.  
Now I’d like to disable the PIN and require only TOTP for authentication.

How would this change affect all existing users across all organizations and servers?

Thanks!

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<div class="post-metadata">

**Author:** ![zach](https://forum.pritunl.com/user_avatar/forum.pritunl.com/zach/32/1105_2.png) [@zach](https://forum.pritunl.com/u/zach)\
**Post date:** [September 19, 2025, 6:29pm UTC](https://forum.pritunl.com/t/pritunl-impact-of-switching-to-totp-only-authentication/3541/2 "2025-09-19T18:29:09Z")

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Set PIN mode to disabled in the top right settings. Then enable the Google Authenticator in the server settings. All users will then need to login through single sign-on and add the QR code to their device.