Manage Yammer domains across their lifecycle in Office 365

If Yammer has been activated for your Office 365 tenant, you, as the Office 365 administrator, can manage Yammer domains in Office 365. When you add or remove domains in Office 365, they will be automatically added to or removed from the corresponding Yammer network.

For example, say you have an Office 365 subscription that uses the domain contoso.com, and a corresponding Yammer network. Now, if you add a domain contosopharmaceuticals.com to your tenant, that domain will be automatically added to Yammer. After this, a new user of that domain, such as ryani@contosopharmaceuticals.com, could log in to Yammer seamlessly with Office 365 credentials.

You can add or remove domains in Office 365 from the Domains link in the Office 365 admin center. For more information, see Add your users and domain to Office 365. After you add or remove a domain in Office 365, it is automatically updated in Yammer, usually within minutes.

How to verify that a domain you added in Office 365 has also been added to Yammer

To check if a domain was successfully updated in Yammer, you can check the list of domains available in Yammer's Network Migration page.

You must be a global administrator on Office 365 who was synchronized to Yammer as a verified admin to perform these steps. To check if your account was synchronized, you can go to the Network Admin page on Yammer and check the Admins section. Global administrators will sync to Yammer only if their user principal name (UPN) in Office 365 matches a domain on Yammer. The following screenshot shows what a synced admin looks like on the Admins page in Yammer.

Screenshot showing a Verified Admin account that is synced as a Global Administrator in Office 365

Verify Yammer domains by using the Network migration page

  1. In Yammer, select the gear button on the left bottom corner, and chose Network Admin.

    Screenshot of Settings menu with Network Admin highlighted
  2. Under the Network section choose Network Migration.

    Screenshot of the Network Migration menu item for Yammer Admins
  3. In the Step 1 of 3 – Check/Add Verified Domains page, you will see the list of domains on the Yammer network.

    Screen shot of Step 1 of 3 - Check/Add Verified Domains before migrating a Yammer network

Yammer primary domain and network name

As Yammer domains are managed in Office 365, the Yammer primary domain and network name will also be managed in Office 365.

  • When the Organization profile name changes in Office 365, the corresponding Yammer network name will be updated. The Yammer network name is part of the header name for groups in the left menu.

    List of Yammer groups on the Yammer page
  • When the default domain changes in Office 365 to a verified domain, for example, contosoart.com, the primary domain of the corresponding Yammer network will be updated. The updated Yammer primary domain, for example, contosoart.com, is used whenever you invite a new user to Yammer.

    The primary domain shows when you invite users to your Yammer group

Scenarios

Your Office 365 tenant might be associated with more than one Yammer network, or the domains on your Office 365 tenant might be different from those on the corresponding Yammer network. See what to do in the scenarios below.

What do you do when you have a Yammer network that has domains that are not verified on the corresponding Office 365 tenant? For example:

  • Verified domains on the Office 365 tenant:    contoso.onmicrosoft.com, contoso.com, northwind.com

  • Domains on the corresponding Yammer network:    contoso.com, tailspin.com

Note that tailspin.com on the Yammer network is not verified on the Office 365 tenant. If your network is in this situation, you cannot manage your domains across their lifecycle in Office 365. However, you can remedy the situation so that you can manage the domains from Office 365. To do this, you have two options. You can either:

  1. Add and verify the missing domains to the Office 365 tenant.    In the example above, you would add tailspin.com to the Office 365 tenant.

  2. Remove the additional domain in Yammer. To remove Yammer domains from your network, contact the Yammer support team. In the example above, you would remove tailspin.com

After you take one of the actions above, the rest of the domains (contoso.onmicrosoft.com, northwind.com) will be added to Yammer, and from this point on, you can manage your domains across their lifecycle in Office 365.

Tip: To ensure that you don’t miss this step, all Yammer verified administrators will receive an email notification if the list of domains on Yammer is out of sync with the list on Office 365.

What if you have two Yammer networks that correspond to the same Office 365 tenant? These additional networks could be Freemium networks created by employees of your company. For example:

  • Verified domains on the Office 365 tenant:    contoso.onmicrosoft.com, contoso.com, northwind.com

  • Domain on Yammer network1:    contoso.com

  • Domain on Yammer network2:    northwind.com

If your network is in this situation, you cannot manage your domains across their lifecycle in Office 365 yet, but support is coming soon. For more details, read Manage the Yammer service in Office 365 and About Yammer networks and Office 365 tenants.

What if you have two or more Office 365 networks that correspond with a single Yammer network? For example:

  • Verified domains on the Office 365 tenant1:    contoso.onmicrosoft.com, contoso.com

  • Verified domains on the Office 365 tenant2:    northwind.onmicrosoft.com, northwind.com

  • Domains on Yammer network:    contoso.com, northwind.com

If your network is in this situation, it is not in a supported configuration. For more details, read Manage the Yammer service in Office 365 and About Yammer networks and Office 365 tenants.

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