Originally Posted by carloconde
Usually there is no issue with regards to the current size of a user's email and OWA with BlackBerry. When you integrate an OWA account to a BlackBerry it will only get the emails that were sent after the integration. There is also a retention option in BlackBerry wherein you can keep an email for only a specific number of days or months. Try to test it first with other accounts. Since your account is working fine the failure point is not with the server itself but the indivdual account. Make sure that the credentials are all correct and you can also try to uncheck cache mode on Outlook client if the user has outlook client.
I do not think this is correct. The 900 items is a limited communicated by RIM. I think that depending on the response times of your Exchange server it can clear more items that this but if it takes to long to poll through the entire list of items the scripts will time-out and come back with no new items.