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 (Felix Freiberger)]

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 wishing to integrate with a Discourse site want to keep all user registration in a separate site. In such a setup all Login operations should be outsourced to that 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) Enabling …

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.