[For Account Diagnosis] YDN Account Linking Procedure

1. Enter Account ID

Select YDN from the platform account type and enter the Yahoo Ads account ID.

• The account ID consists of 5 to 11 digits.
• It is different from the "Yahoo! JAPAN Business ID" that you enter when logging into the ad management tool.
• The account ID differs for each "Search Ads" tab and "Display Ads" tab. Also, if you have registered multiple accounts, each account ID will be different.

For how to check the Yahoo Ads account ID, click here

2. Link Account ID

When you press the "Link" button, the following Yahoo! JAPAN Business ID authentication screen will appear in a popup.

Please enter the Yahoo! JAPAN Business ID and its password information that manages the account ID you entered.

The Yahoo! JAPAN Business ID and password you enter here will not be retained (cannot be retained) by our company, so please rest assured.

If the authentication screen does not appear, please refer to here. Also, please try another browser.

3. Account ID Authentication

If there is no problem with the authentication with the Yahoo! JAPAN Business ID, the following screen will be displayed.

If there is no problem, please press the "Approve" button.

(Please note that you cannot perform account diagnostics without approval)

4. Confirm Linked Account

If there is no problem with the account ID you entered, the entered content will be displayed on the screen as follows.

If there is no problem, please press the "Next" button.

Please note that the following cases will result in an error.

• The account ID's contract status is not in service
• The account ID does not exist
• The authenticated Yahoo! JAPAN Business ID is not associated with the account ID

5. Completion

This completes the procedure for performing account diagnostics. The account diagnostic results will be sent to you by email, so we would appreciate your patience.