We are using Domino 5.0.13 on Win 2k environment. Date format in OS is DD/MM/YYYY. For last few days it is been observered that date format get changes to MM/DD/YYYY in my Domino. When ever i restart my domino server it works fine for few hours but then it again changes to MM/DD/YYYY. No changes are observed in Date format in OS level. Kindly provide help in this regard.