Link to the page that explains how you can change your password: Troubleshooting | XCP-ng documentation https://xcp-ng.org/docs/troubleshooting.html#iscsi-troubleshooting Reboot your XCP-ng into the Grub boot menu. Select XCP-ng boot menu entry and press the e key to edit boot options. Locate the read-only parameter ro and replace it with rw init=/sysroot/bin/sh. Press Ctrl + X to boot into single-mode. From the Emergency Mode prompt, execute the command chroot /sysroot. Once in single-mode, use the passwd command to reset your XCP-ng root password. Reboot XCP-ng by sending Ctrl + Alt + Suppr. If everything went well, you should now be able to log in with your new XCP-ng password Watch this to see it happen: -------------------------Chapters------------------------- 00:00 - Intro 00:30 - Nested XCP-ng Host 01:35 - Documentation Used 02:20 - The Password Reset Procedure 05:29 - Testing the new password 06:15 - End Word