# Detecting user already logged in when using SSO

**URL:** <https://meta.discourse.org/t/detecting-user-already-logged-in-when-using-sso/26968>\
**Category:** Feature\
**Tags:** sso, discourseconnect\
**Created:** [March 30, 2015, 12:21am UTC](https://meta.discourse.org/t/detecting-user-already-logged-in-when-using-sso/26968 "2015-03-30T00:21:02Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![sam](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/sam/32/102149_2.png) [@sam](https://meta.discourse.org/u/sam)\
**Post date:** [March 30, 2015, 12:47am UTC](https://meta.discourse.org/t/detecting-user-already-logged-in-when-using-sso/26968/5 "2015-03-30T00:47:38Z")

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> [@tomdcc](#):
>
> Couldn’t it be a whole-page redirect? Given that the login will be a whole-page redirect anyway.

It could but I really dislike the idea of doing that cause anon (and crawlers) will pay a huge price. Additionally it would mean that any outage on the main site would cause a outage on the discourse site.

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