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Unable to get SSO to work across 2 applications


We have setup two REACT applications but we are unable to get SSO to work across both the applications. We can only successfully login to each application individually.

APP 1:
Running on http://localhost:3000

Callback URI’s:

APP 2:
Running on http://localhost:4000

Callback URI’s:
http://localhost:3000/callback, http://localhost:4000/callback

What are we missing? Can anyone point us in the right direction…