Article ID: 2581557 - View products that this article applies to.
Not sure what release of Office 365 you're using? Go to the following Microsoft website:
Am I using Office 365 after the service upgrade?
In Office 365 Small Business or Office 365 for small businesses (pre-upgrade), you try to add an Address (A) record or a CNAME record in the Office 365 portal. However, you get the following error message:
Another DNS record already exists with this host name. Type a different name.
To resolve this issue, do one of the following, as appropriate for your situation.
Add a record other than a www recordTo add a record other than a www record, use a different host name, or update the existing record.
Add a www record that points to a website that's hosted by a third-partySet up the SharePoint Online website address to use a domain other than the domain that you are working with. To do this, follow these steps:
This issue occurs if one or more of the following conditions are true:
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