Information
For security purposes, Zoom has a few requirements that your passcode must meet. As per passcode requirements, Include both uppercase and lowercase characters. This shall make the passcode strong.
Rationale:
This ensures the passcode complexity requirements are met and a strong passcode is set for meetings.
Solution
Go into the Zoom Admin Dashboard on the zoom website. Account Management -> Account Settings -> Security -> Passcode Requirement -> Include both uppercase and lowercase characters, and ensure it is enabled.