HI All, I have Exchange 5.5 with SP4 on WindowsNTS SP6a. Since last two days, the internal mails are reaching late. Sometimes, they take, almost 30 minutes. The size of all the mails is not more than a few Kbs. May I expect a few tips or so. Regards, Chand Deshwal (M.Tech CS&E, MCSE, CCNA) Network Administrator Kampsax India Ltd., Gurgaon ph: +91 124 6348259-62, Extn. 712 chand@xxxxxxxxxxxxxxxxx http://www.kampsaxindia.com