Contacts in outlook keep duplication (could it be blackberry related)

Hello,

I desperately need assistance we have users whose contacts in Outlook and on their Blackberry devices duplicate and sometimes even triplicate.

I have tried to clean them up several times, but they keep duplicating time and time again.  this is now extremely frustrating both to the users and me.

any assistance of push in the corrcet direction to troubleshoot the matter will be appreciated.

Back end is Exchange 2010 with SP1
BES version 5.0.3

Many thanks,

Neil.
LVL 2
NeilMMAsked:
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Hendrik WieseInformation Security ManagerCommented:
The only time this could happen is if the user has contacts on both devices that was synced using active sync and then the user plug the bb into his machine and does a manual sync. This would cause duplication of data.

So I suggest deleting all contacts on the bb and then use active sync to sync the contacts, and instruct your user's not to do manual sync's when plugin their devices into their computers.
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NeilMMAuthor Commented:
I'm pretty sure we are only syncing over the air... we do not use the BBRY Desktop Manager to sync locally via cable / usb.
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Hendrik WieseInformation Security ManagerCommented:
Is this happening to all users or only some? If it is only some of them, check the cable sync ;)
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mattclarifiedCommented:
Hi,

I have had this issue when replacing blackberries and using the restore options.

I would recommend taking a backup of the device or using an old backup.
Wipe the device.
Restore using the backup BUT do a selective restore and restore everything EXCEPT the address books.
Activate the device, this should sync the device and create a new address book based on the address book in the users exchange account.

M@
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