Sometimes the problem is right mouse button, when you are walking slowly try shift/W x2/right mouse button.
May 10 2016
Look at this one guys, they all deserve ban just for the chosen server name:
(Public/Veteran) - 1 [ILL] YOU WILL BE KICKED DONT JOIN [dayz] DayZ
Please consider to force server providers to set automatic server restarts every 3-4 hours as a temporary fix while we wait for optimization. It helps.