Adding Domains to Lync Online/Office 365

The first task involved in getting Lync Online up and running is adding the SIP domains that will be used with the service. When you are signing up for a Lync Online or Office 365 subscription, a single DNS domain is assigned. This initial domain is referred to as the tenant domain, and always has a suffix of This tenant domain is meant only for administration of the Lync Online organization, and is not intended to be used as a SIP domain.

To add a new domain to Lync Online/Office 365, follow these steps:

1. Log on to the Office 365 Portal.

2. On the left side of the main page, click Domains.

3. At the Domains page, click the link for Add a domain.

4. At the Add a domain to Office 365 ...

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