The length of subdomain names must be between 3 and 32 characters.
You can use alphanumeric characters and "-" (hyphens). You cannot use a hyphen at the beginning or end of the subdomain.

You cannot use the subdomain currently in use by other customers.

1. Click in the header.

2. Click "Users & System Administration".
   Accessing Kintone Users & System Administration

3. Click Access Control.

4. Enter a new subdomain in the "New Domain Name" field.
   

5. Click Save.
   Once the configuration completes, e-mails are sent to all the e-mail addresses of the administrators.

Notify users of the changed URL.
If necessary, also inform users that their mobile apps need to be reconfigured and that the URL of the guest space in kintone has changed.

Change the following settings, if necessary.

• SAML Authentication
• Provisioning
• Integration with External Services

If you are using API, you need to change the destination to the new URL to send requests.
For details on API, refer to Kintone Developer Program.

If you are using plug-ins from different vendors or other integration services, change the corresponding settings as necessary.