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Teams: Can't login from Teams to Jira via Smart Connect due to blocked app install settings

Situation

When a user logs into Smart Connect for Jira from Teams to Jira for the first time, they might see this error “Your site admin must authorize this app for the site '[…]' before the app can access your account”:

image-20260226-125742.png

He cannot use the app and must contact his Jira administrator.

Cause

Since the Teams-to-Jira connection is user-based and requires separate permissions, it adds an extra “connected app” entry during Jira login. The login flow fails if the “User Installed Apps” setting is blocked:

image-20260226-130318.png

Solution

There are two solutions for this scenario:

  1. Enable users to install apps and allow this setting.

  2. Log in to Jira from Teams via Smart Connect for Jira as a Jira admin with app installation permission.

image-20260226-130408.png

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