SharePoint online custom URL

Question

Hi,

Is it possible to add an (DNS ?) entry or something else to have a second URL for a specific SharePoint Online site collection?
For example, we have the following site collection: companyxyz.sharepoint.com/sites/support

Would it be possible to create or change something (network related?) so that users can use support.companyxyz.com?

We are migrating from a SharePoint on-premise to SharePoint Online, and for 1 specific site collection we want to have this setup (because there are a lot of links pointing to support.companyxyz.com)

Thanks.

Answer 1

Additional to the Answers above:

You can refer to the links below for detailed information on IIS HTTP Redirection and Front Door Service in Azure:
How to configure IIS HTTP Redirection in order to access Office 365 Resources via Custom Domain.
Front Door Service: URL redirect.

Here are some other links of discussion on this requirement for your reference:
Internal DNS resolving external URL.
Friendly URLs with Office 365.

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Answer 2

Surely a CNAME pointing to the sharepoint URL would suffice?

Edit Some googling suggests that it doesn't work

Answer 3

No.

But what you can do is stand up a web server/service to perform a redirect. For example, you could use IIS' redirect functionality to have https://support.example.com redirect to any site you wish.

This will require you standing up an IIS or other server.

Answer 4

"Front Doors" is part of azure, so we've added a DNS entry to point to sharepoint urls to front door, which then translates it to whatever sharepoint site you want. Saves from the headache of an additional IIS server to do that for you.

Answer 5

I think you should add domain url in O365 Administrator