Exchange – Display Mailbox’s by size
KB ID 0000469 Problem Yesterday a client asked me how he could find out, which of his users were the “worst offenders” for mailbox size. Normally a simple Get-MailboxStatistics command would be fine, and we would sort the results in descending order. Solution On one of the Exchange servers, launch the Exchange Management Shell. Issue the following command: Note: That’s all one command, replace the name PNL-MAIL-2019...
Exchange 2013 – Working with and Managing the OAB
KB ID 0000745 Problem Exchange 2013, has changed the way Offline Address Books are handled, with previous versions only one server (the first server holding the mailbox role) was responsible for generating the OAB. With 2013 however multiple servers generate the OAB, In fact every server that has a special arbitration mailbox called an organization mailbox will create a copy. This is better for fault tolerance and resilience, and you...
Exchange Exporting Mailboxes to PST Files
KB ID 0001360 Problem Applicable To: This procedure works on all versions of Exchange Newer than Exchange 2010 SP1 (update rollup 8). If your Exchange server is OLDER than that you will need to use the following link; Exchange 2007 / 2010 (Pre SP1)- Export Mailbox’s to PST files The following procedure exports a user mailbox to a PST file on a network share. Solution Note: Not Even ‘Exchange Organisation Administrators”...
PowerShell: Find Computers Last Logon Date
KB ID 0001612 Problem I had to find the last time a particular server had logged on for a client the other week, so we knew for sure it was dead! Solution The two commands you may need are; Locate Servers Last Login Time Get-ADComputer -Filter {OperatingSystem -Like ‘*SERVER’} -Properties lastlogondate,operatingsystem | Select name,laslogondate,operatingsystem Locate Clients Last Login Time Get-ADComputer -Filter...
Hybrid Exchange: ‘Mailbox Delegation’ Missing?
KB ID 0001607 Problem This was asked on EE this morning, if you are on a Hybrid Exchange environment then you cannot allocate Mailbox Delegation to an Office365 mailbox; However you can add ‘Mailbox Delegation’ to a ‘local mailbox’. This is completely normal behaviour, to allocate mailbox delegation permissions to your Office 365 mailboxes, you need to use PowerShell. Managing Mailbox Delegation Permissions in...