We have about 100 classic asp web forms running on our server (Server 2003 & IIS 6) used to send emails. They worked perfectly for many months but recently the asp pages would stop loading although html files running on the same site would still load fine.
The only way to get the asp pages working again is to recycle the application pool in IIS. In the past few days though we've had to recyle the application pool about every 10 minutes. There are no errors in the logs and we rebooted the server yesterday and they worked for about 30 minutes then had problems again.
Does anyone have any idea what the problem could be or know of an IIS debugger we could use to find the problem?