hi, thank you for reply. comment out line: ConditionFileIsExecutable=!/usr/sbin/VBoxService works for me. I had to comment out so line: ConditionFileIsExecutable=!/usr/sbin/VBoxService Both are commented out and timesyncd works. Thank you. Petr út 11. 2. 2020 v 7:10 odesílatel Mark - Syminet