Outlook clients keeps getting disconnected from exchnage server 2003. Then I look in the event viewer and see this log.

Hi, Looks as if you can ignore the error message: http://support.microsoft.com/default.aspx?scid=kb;en-us;836565 Anything to see at the clients? Leif

Hi, Does the issue occur to all the outlook client? How did user use outlook, internally? RPC over Http? 1. Please check whether your domain controller is in good order. You can run dcdiag tool to check. You may need to install Windows Support Tools to obtain this tool. Install Windows Support Tools http://technet2.microsoft.com/windowsserver/en/library/7fd1f478-e072-479c-abfd-9ab4a64f939f1033.mspx?mfr=true Dcdiag Overview http://technet2.microsoft.com/WindowsServer/en/library/f7396ad6-0baa-4e66-8d18-17f83c5e4e6c1033.mspx?mfr=true 2. Please check whether system time on Exchange Server is the same as Client(outlook installed).If not, then please configure the right time on the exchange server and then restart Windows Time service from Services Manager(run services.msc from a command prompt to open Services Manager) 3. Restarted MSExchange System Attendant services. More related information share with you: Cannot Log On If Time and Date Are Not Synchronized http://support.microsoft.com/default.aspx?scid=kb;EN-US;232386 How to configure an authoritative time server in Windows Server 2003 http://support.microsoft.com/kb/816042/en-us Hope it helps. Xiu