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Delete All Calendar Entries In An Exchange 2010 Mailbox

Open EMS Run: Search-Mailbox –identity username –SearchQuery kind:meetings –DeleteContent  You can get an estimate about the number of entries and size that will be freed up after deletion by running: Search-Mailbox –identity username –SearchQuery kind:meetings –EstimateResultOnly    Example: Search-Mailbox –identity mmcguire –SearchQuery kind:meetings –DeleteContent 

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Unable to Migrate User to O365 – “Target user already has a primary mailbox”

If you run into an issue where a user has both a mailbox in Exchange on-premise and O365, and you cannot migrate the account to O365. Error: “Target user already has a primary mailbox”   FIX: Remove the O365 account and then do a full DirSync.  Once done, migrate the on-prem mailbox to O365.   […]

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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 […]

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Delete emails from specific sender in one users mailbox

1.  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  Import-PSSession $s    Run this command in Powershell   Search-Mailbox -identity “User Mailbox” -SearchQuery “From:user@domain.com” -deletecontent 

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Delete specific email from O365 mailboxes

1.  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  Import-PSSession $s  Type in your ada credentials with username of <username>@domain.com Type in your ada credentials with username of domain\<username>   Run this command: you will […]

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Converting User mailbox to Shared or Room mailbox

Open Exchange Management Shell   Enter the following command: get-mailbox -identity <username or display name> | set-mailbox -type shared  Afer the process completes, the mailbox will show as a share box.   ***To convert shared to a user mailbox enter the following command: Enter the following command: get-mailbox -identity <username or display name> | set-mailbox […]

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Migrate user mailbox from O365 back to Exchange 2010 on-premise

Migrate user mailbox from O365 back to Exchange 2010 on-premise:   Open Windows PowerShell in administrator mode and run:   New-MoveRequest -Identity “Matt Heitman” -Outbound -RemoteTargetDatabase “MBX01-DB3 – High Limits” -RemoteHostName autodiscover.companydomain.com -TargetDeliveryDomain companydomain.com -RemoteCredential (Get-Credential) -BadItemLimit 10   you can add the parameter below if you want to suspend the migration before it is […]

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