Hi i have an ibm server x3550 m3 4 gb ram 2 mirrored hard drives 500Gb each windows 2008 sbs exchange 2007 with sp1 Av is eset 4 server is being used for emails and file sharing randomly my server locks up to recover from it i have to manually turn off server i got this error event 5013 the source is "WAS" a process serving application pool 'DefaultAppPool'exceeded time limits during shutdown. the process id was 5844 this error continued about 7 minutes and the system locked up please help