Advantage and disadvantage of enabling SSO

[Brajmohan_Kumar]

I have recently enabled SSO, can anyone please tell me in brief about this feature and also tell me advantage and disadvantage of using this feature.

[fefrei]

You can find a lot of details in this topic:

Official Single-Sign-On for Discourse (sso)

Discourse now ships with official hooks to perform auth offsite. The Problem Many sites wish to integrate with a Discourse site, however want to keep all user registration in a separate site. In such a setup all Login operations should be outsourced to a different site. What if I would like SSO in conjunction with existing auth? The intention around SSO is to replace Discourse authentication, if you would like to add a new provider see existing plugins such as: Vk.com login (vkontakte) Enabli…

In short, SSO means that Discourse no longer does user management on its own, it relies entirely on the SSO master to handle this. Whether this is an advantage or a disadvantage depends on your use case – it means that any user of your SSO master can also use Discourse without having to create a separate account there. On the flip side, it is not possible to only have some users sign in this way – SSO always entirely replaces Discourse’s own user management.