Acronis Backup 12.5: Cannot log to backup console via user and password after "Sign in as current Windows user"

Symptoms

1. You use Interner Explorer 11

2. You log in to backup console via Sign in as current Windows user

3. After logging out, you attempt to log in to backup console via Enter user name and password

You receive an error:

User name or password is incorrect

Cause

Issue in the product, caused by the specifics of Internet Explorer 11 behavior