Well there you go then!! Apply cached mode again. From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Patrick Sent: Wednesday, June 03, 2009 9:42 AM To: exchangelist@xxxxxxxxxxxxx Subject: [ExchangeList] Re: Mailbox issue - Outlook 2007 It is about 4.5GB and I have taken off cache mode. Thanks Patrick ________________________________ From: sarbjit singh gill <ssgill@xxxxxxxxxxxxxxxxxxxx> To: exchangelist@xxxxxxxxxxxxx; msexchange@xxxxxxxxxxxxx Sent: Wednesday, June 3, 2009 11:46:40 AM Subject: [ExchangeList] Re: Mailbox issue - Outlook 2007 Over 4gb is that 5gb or 6gb or 18gb or 20gb? Is the profile set to cache mode? sarbjit From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Patrick Sent: Wednesday, June 03, 2009 5:50 PM To: exchangelist@xxxxxxxxxxxxx; msexchange@xxxxxxxxxxxxx Subject: [ExchangeList] Mailbox issue - Outlook 2007 Hi Guys, just need to get some clarity on this. We have a user whos mailbox if over 4GB, and she keepe getting locks and freezes. We have suggested to her that she archive her stuff, but my question is should this be happening? What is the maximum size a mailbox can be before you start encountering performance issues such as this Exchange 2003 Windows 2003 outlook 2007 thanks patrick