# Domain Activation

## Admin Center - Domain Activation

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**Register a subdomain name in a customer tenant**\
You will need to create a unique, fully qualified subdomain name for every customer.\
In this example, we will create a subdomain '*sbc1.customers.adatum.biz'* in a tenant with the default domain name '*woodgrovebank.us'*. All actions below are in the customer tenant.
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**Ensure that you have appropriate rights in the customer tenant.**\
You can only add new domains if you signed in to the Microsoft 365 admin centre as a Global Administrator.<br>

To validate the role you have, please sign in to the Microsoft 365 admin centre (<https://portal.office.com>), go to Users > Active Users, and then verify that you have a Global Administrator role.<br>

For more information about admin roles and how to assign a role in Microsoft 365 or Office 365, see About admin roles.<br>

Admin Center URL: <https://admin.microsoft.com> | Teams Admin URL: <https://teams.admin.microsoft.com&#x20>;
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{% content-ref url="domain-activation/1.-add-a-subdomain-and-verfiy" %}
[1.-add-a-subdomain-and-verfiy](https://docs.cebodtelecom.com/microsoft-teams-integration/direct-routing-user-guide/domain-activation/1.-add-a-subdomain-and-verfiy)
{% endcontent-ref %}

{% content-ref url="domain-activation/2.-activate-subdomain" %}
[2.-activate-subdomain](https://docs.cebodtelecom.com/microsoft-teams-integration/direct-routing-user-guide/domain-activation/2.-activate-subdomain)
{% endcontent-ref %}