"Another DNS record already exists with this host name" when adding an Address or CNAME record

  • Article
  • Applies to:
    Microsoft 365 for business

Problem

In Microsoft 365 for business, you try to add an Address (A) record or a CNAME record in the Microsoft 365 portal. However, you get the following error message:

Another DNS record already exists with this host name. Type a different name.

Solution

To add a record other than a www record, use a different host name, or update the existing record.

More information

This issue occurs if the DNS record already exists.

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