Symptoms

1. You install Acronis Cyber Backup (on-premises deployment).
2. You try to log in to Acronis web console. The user you are trying to log in with is not password-protected. You provide the username and leave password blank.
3. Login fails with:
   The credentials are incorrect.

Cause

Blank passwords are not accepted.

Solution

In Windows:

1. Open Windows Registry: Start -> search -> type regedit.exe and press Enter.
2. Navigate to HKEY_LOCAL_MACHINE\System\Currentcontrolset\Control\Lsa and locate the LimitBlankPasswordUse DWORD.
3. Set its value to zero:
   

In Linux, activate the root user and set a password for it.