My dear friends i have server 2000 and i creat domain and in that active directary i m now getting some errer so my all share files on server that can not access by my clint pc is not access after that errer was came ..!! errer is as below....!! to remove that errer i have to restart my server but problem still there..!! This errer is generate only when i open active diretery tools if i not open that no errer was came..!! Help requred Thanks in ADV.