# Cinco instâncias de Discourse - um sinal de login?

**URL:** <https://meta.discourse.org/t/five-discourse-instances-one-sign-on/51106>\
**Category:** Product Support\
**Created:** [Outubro 5, 2016, 8:52am UTC](https://meta.discourse.org/t/five-discourse-instances-one-sign-on/51106 "2016-10-05T08:52:33Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![GSeven](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/gseven/32/61731_2.png) [@GSeven](https://meta.discourse.org/u/GSeven)\
**Post date:** [Outubro 5, 2016, 8:52am UTC](https://meta.discourse.org/t/five-discourse-instances-one-sign-on/51106/1 "2016-10-05T08:52:33Z")

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Hello,

Many thanks for making this wonderful piece of software, I am learning more about it daily and I hope to realise my dreams because of it.

I already have one instance of Discourse running and would like to eventually have 5.  
If I wanted users to be able to sign-in to all 5 in one go, would I use the single sign-on service?

It is not something I understand, so I am just checking that it is possible and that I am looking down the correct road.

many thanks

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