Delete a Calendar item from a mailbox

If you have the need to remove a specific calendar event/appointment from a mailbox, you can do it through Power Shell or Exchange Management Shell. Open PowerShell or EMS If this is an O365 mailbox, you will need to connect to the O365 environment Connect to Exchange On-line From the PowerShell console on an Exchange 2010 server: $Cred = Get-Credential […]

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Setting Distribution Group Delivery Restrictions via PowerShell

Adjusting the delivery restrictions on distribution groups is quite a common task. The more members a group has the more of a problem this ends up being in big organisations. Setting the permissions in the Exchange Management Console (EMC) is simple enough when you have one or two people/groups to add to the allowed list. When you have many user/groups […]

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Can’t remove additional Exchange mailboxes

I’ve added some additional Exchange mailboxes to my account but now I can’t seem to remove them anymore in Outlook as they don’t show up in my account settings or the additional mailboxes list. Right clicking on a mailbox and choosing “Close <mailbox>” produces the error: “This group of folders is associated with an e-mail account. To remove the account, […]

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Quick Tip: Restarting all Microsoft Exchange services

There are times when you need to restart all Exchange related services so here are 2 small scripts that will help you achieve this without going over each service in the Services mmc. Of course restarting the “Microsoft Exchange Active Directory Topology” will restart a most of them but these 2 will restart them all.   Restarting All Running Services […]

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Migrate new user to O365

Pre-Migration Work Create the AD user account and Exchange on-prem mailbox Confirm UPN suffix of user account matches the email address Go to O365 admin console and add the user license Migrate users Connect to Exchange On-line From the PowerShell console on an Exchange 2010 server: $Cred = Get-Credential  $s = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://ps.outlook.com/powershell -Credential $cred -Authentication Basic –AllowRedirection  […]

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How to Move Mailboxes in Exchange Server 2010

Mailbox moves in previous versions of Exchange were interactive in nature, in that a wizard, script or shell command was used to move the mailbox and it occured in real time. In Exchange Server 2010 mailbox moves are now handled using move requests.  In short, the move request is submitted into a queue and processed by the Mailbox Replication Service […]

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Exchange 2010 – List All Mailbox Sizes

Using the Exchange Management Shell, you can create a create a report of all mailboxes and list their size. List all mailboxes in a database – Exchange Management Shell The following command will list all mailboxes in the ‘MailDB1’ database: Get-MailboxStatistics -Database ‘MailDB1’ | format-table DisplayName, TotalItemSize, TotalDeletedItemSize, Database, ServerName List all mailboxes on a server – Exchange Management Shell The […]

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Exchange 2010 – Enable External Automatic Replies

By default, Exchange 2010 doesn’t allow sending automatic forwards, replies and Out of Office Assistant Messages (OOF) to external email addresses. This is mainly for security and performance reasons, as it ensures there can’t be any mail loops or that Exchange doesn’t automatically reply to any spam messages. With this in mind, you may need to enable this as a […]

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Exchange 2010 – Allow external senders to use distribution list

By default when you create a distribution group (also known as a distribution list) external email addresses are unable to send emails to the group. To allow external email addresses to use the group you will need to disable the ‘Require that all senders are authenticated’ option. Please note, this may open your server and users to unwanted spam. You […]

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Exchange Best Practices: Mailbox Storage Quotas

The trend for Exchange Server in recent years is towards larger mailboxes. Email is a heavily used application, users are demanding more storage for their email, and current versions of Exchange Server have been engineered to provide large mailboxes without requiring expensive, high performance storage subsystems to store it all. All of that does not mean that you should remove […]

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