In your Atlassian product, open the in-product marketplace as described in the Atlassian documentation.
Search for "resolution saml" and click "Install" for SAML Single Sign On (SSO) by resolution Reichert Network Solutions GmbH.


After the installation is complete, click Manage Apps/Addons. 

Go to http://portal.azure.com and click Azure Active directory.

In the Azure Active directory, click App registrations.

Click New registration to create a new app.

Enter a name for your application and click on Register to proceed.

Click API permissions in the left panel and then on Add a permission.

Select Microsoft Graph.

Choose Application permissions.

Expand Directory and tick Directory.Read.All

Click on "Grant admin consent for ...".

For the next step, click on Certificates & secrets in the left panel, and then click on New client secret.

Enter a description for the secret and also set an expiry date. Click on Add to confirm.

Your Client secret will displayed only once, thus copy the secret. Of course it is possible to create a new secret, if you lost your secret.

Go overview page of the Azure AD app. Copy the Application ID and the Directory (tenant ID). Now, it is time to head over to your Atlassian application.

In your Atlassian application, go to UserSync,  click Add Connector and choose Azure Connector.

Insert the Application ID, Directory ID and the Application secret into the UserSync connector.

To take the full advantages of User Sync, scroll down and tick "Enable Scheduled Synchronization". You can control the sync interval via a Cron Expression.
Do not forget to save your configuration. Scroll down to the bottom of the page and hit "Save".

After you clicked "Configure", the Wizard will be triggered. If not, or if you want to add another Identity Prover (IdP) to your existing configuration, click on "+ Add IdP". This guide assumes, that you there is no IdP configured.
The Wizard greets you with information, click on "Add new IdP" to proceed.

For the IdP Type, choose "Azure AD". You can also choose a name. Click on "Next" to continue.

In the next step, you will configure Azure AD. Please keep this tab open or copy the information.

Adding an Enterprise Application for the SAML SSO App

Navigate to the Azure Portal. In the left panel, click Azure Active Directory.

Again, in the left panel under Manage click Enterprise Applications.

Now, click New Application to add a new Enterprise Application.

We created presets in the gallery for the SAML SSO app. Search for "resolution gmbh" and choose the version which matches your Atlassian product, e.g. "SAML SSO for Jira by resolution GmbH" for Jira. 

In the next step, click Add to add a new enterprise application. You can also choose new name for it.

Please wait until the Azure portal redirects you to the enterprise application you just created. This can take a couple of seconds. For the next steps, you will configure the enterprise application.

Deactivate User Assignment Required

In the left panel, click Properties. In the new window, scroll down to User assignment required? and set the option to NO. Afterwards Save your configuration.

Configure the SSO

In the left panel under Manage, choose "Single sign-on".

Click SAML for the Single Sign On method.

Next, click the pen symbol in Basic SAML Configuration.

Next, set the Identifier (Entity ID) and the Reply URL (Assertion Consumer Service URL). You can find both in the last window of the wizard.

In general, the needed URL for both is: https://<base-url>/plugins/servlet/samlsso 

You need to substitute <base-url> with the base url of your Atlassian product instance. The gallery application already provides the needed URLs. You only have to substitute YOURJIRASERVERNAME with the URL of your Atlassian product instance and then click Save.  

Afterwards, scroll down to SAML Signing Certificate and copy the App Federation Metadata Url. The link will be used to configure the SAML SSO app.

The configuration in Azure AD is now finished. In the next step, we will finish the configuration in the SAML SSO wizard.

Now, you will paste the App Federation Metadata Url you have obtained before. Paste the App Federation Metadata Url in the "Metadata URL" textfield.

Afterwards, click on "Import".

Click on "Next" to continue.

SSO Redirection

As a last step, you can set the Enable SSO Redirect option. If set, all users will be redirected to Single Sign On, thus they will be logged in via the IdP. Click on Save & Close to finish the configuration.