Desativar complexidade de senha dominio server 2012 2016 2019 Disable the password complexity for Active Directory on a Domain Controller

Expand the Domain Controllers container, right click on your new policy, and pick "Edit...".
Navigate through Computer Configuration > Policies > Windows Settings > Security Settings > Account Policies.
Open the policy named "Password must meet complexity requirements" and set it to Disabled.

The policy is now set, and all you need to do is run gpupdate.

Run > cmd
Type gpupdate, hit enter, and wait for it to complete. It'll only take a few seconds.

Once gpupdate has completed, you're all set.

https://blog.tiga.tech/disable-the-password-complexity-for-active-directory-on-a-domain-controller/