We have just moved users to Exchange 2010 and setup their Outlook (2010) to use this function. The .pst file was imported after the initial Exchange setup in Outlook. When the Send/Receive button is pressed in Outlook the window remains open for about 5 minutes as the folders (deleted, sent, inbox) are synchronizing. We thought that this may only occur on the first such action but we find that this occurs every time. Is there a setting that we missed on this installation to prevent the synchronizing of the folders and only send or receive mail?