...
The partner is still able to login to his partner account, yet the automated login via the magic key is disabled.
The partner is suspended from all active advertiser programs and can no longer apply for advertiser programs. Any conversions generated after the partner is deactivated are not rated, i.e. the partner is not receiving commission anymore. The ad media the partner uses will continue to redirect to the website of the advertiser.
You are still able to create payment entries for commission the partner generated before he was deactivated.
...
The partner can no longer login to his account, neither via regular login nor via the magic key.
The partner is irreversibly suspended from all advertiser programs. Conversions generated after the partner is deleted will not be rated, ad media the partner is using will no longer redirect to the advertiser’s website.
You can no longer create payment entries for commission the partner generated.
...
Make sure you are logged in your admin UI, click on ‘partner’ in the main navigation menu and proceed to click on ‘manage partner’. Use the filter panel to find the partner you want to deactivate or delete. For comprehensive instructions on the filter panel, please read this article.
How to deactivate a partner
...