Check the Sync Issues folder in his mailbox. We ran across that same question soon after an Exchange upgrade and found the Sync Issues folder to be the source in our case. If you find it there, chances are you have it in other mailboxes too.
From: Don Guyer [mailto:don.gu...@prufoxroach.com] Sent: Monday, October 11, 2010 11:01 AM To: MS-Exchange Admin Issues Subject: False Mailbox Size Limit Warning? Everyone, We have a user who is receiving a size limit warning message, whose mailbox is not even close to the warning level set. I've Googled but haven't found much help. Xch 2k3 SP2. TIA! Don Guyer Systems Engineer - Information Services Prudential, Fox & Roach/Trident Group 431 W. Lancaster Avenue Devon, PA 19333 Direct: (610) 993-3299 Fax: (610) 650-5306 don.gu...@prufoxroach.com<mailto:don.gu...@prufoxroach.com> --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com<mailto:listmana...@lyris.sunbeltsoftware.com> with the body: unsubscribe exchangelist --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe exchangelist