ADMX Guide

Restrict the length of passwords that can be saved in the Password Manager

Category

Computer Configuration > Administrative Templates > Microsoft Edge > Password manager and protection

Scope

Both

Registry Key

HKLM\Software\Policies\Microsoft\Edge

Description

Make Microsoft Edge restrict the length of usernames and/or passwords that can be saved in the Password Manager. If you enable this policy, Microsoft Edge will not let the user save credentials with usernames and/or passwords longer than 256 characters. If you disable or don't configure this policy, Microsoft Edge will let the user save credentials with arbitrarily long usernames and/or passwords.