Winbox Error Wrong Username Or Password
Connect via serial or console cable, then:
RouterOS Winbox Error: Wrong username or password - Beginner Basics - MikroTik community forum. MikroTik community forum winbox error wrong username or password
If you've forgotten your password, you'll need to reset it. Here's how: Connect via serial or console cable, then: RouterOS
Older WinBox versions may fail authentication against newer RouterOS. Download latest WinBox from MikroTik Connect via serial or console cable
Both usernames and passwords in RouterOS are strictly case-sensitive.