In WHMCS, "Domain Sync Notify Only" refers to a setting that allows WHMCS to receive notifications about domain status changes from the registrar, but it won't automatically update the status in WHMCS. This can be useful for keeping track of domain status changes without automatically altering the state in your WHMCS system.

Here's how you can configure the "Domain Sync Notify Only" setting:

1. Log into WHMCS: Access your WHMCS admin panel using your username and password.

2. Navigate to Configuration: Click on the "Configuration" tab in the top navigation menu.

3. Domain Registrars: Under the "System Settings" section, click on "Domain Registrars."

4. Edit Registrar Settings: Find the registrar for which you want to configure "Domain Sync Notify Only" and click on the "Edit" icon (pencil icon) next to it.

5. Sync Settings Tab: In the registrar settings, look for a tab or section related to domain synchronization. This can vary depending on the registrar.

   • Registrar-Specific Settings: Each registrar may have different options for domain synchronization. Look for an option related to "Domain Sync Notify Only" or a similar term.

   • Domain Sync Notify Only Enabled: Check the box to enable the "Domain Sync Notify Only" setting.

6. Save Changes: After enabling "Domain Sync Notify Only," click the "Save Changes" button to apply your modifications.

7. Repeat for Other Registrars (if needed): If you have multiple registrars, repeat the above steps for each one.

With "Domain Sync Notify Only" enabled, WHMCS will receive notifications about domain status changes from the registrar, but it won't automatically update the status in your WHMCS system. This can be helpful for keeping track of changes without immediately affecting the state of the domain in WHMCS.

Please note that the availability and location of this setting may vary depending on the specific registrar you are using and the integration with WHMCS. Always refer to the documentation provided by your registrar for specific guidance on configuring domain synchronization settings.