Hi, I need help with OWA in Exchange5.5 .My OWA stop responding after ever 3hrs with a message ASP0115 unexpected error Exchange/USA/logonfirm.asp A trappable error occurred in an external object .The Script cannot continue running . I`ve to restart my exchange server every 3 hrs.Pls let me know which will be the right patch for this .It is running on NT4/SP6a and has Service pack 4 for exchange which was installed about 3yrs back . Any help will be appreciate . Thanks Gary