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If you have a Siemens HiPath OpenOffice phone system and are seeing the message ‘Client not registered’ on your OptiPoint 410 or 420 phones, then this is how to resolve it: 1) If you have a computer or another device linked to the second port on the phone, ensure all work is saved and closed
Annoyingly it’s not possible to view mailbox sizes in Exchange 2007 via the Exchange Management Console, so if you need to get them, follow the below: To view them on screen 1) Open ‘Exchange Management Shell’ 2) Type ‘get-mailboxstatistics | fl displayname,totalitemsize’ (without the quotes) As you can see, if you have a lot of