Category: PowerShell 101

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 domain admin credentials with username of domain\<username>   Run this command in Powershell     Search-Mailbox -identity […]

When you attempt to migrate an O365 user back to Exchange 2010 on-prem you may receive this error:   “You shouldn’t migrate mailbox ‘Paul Demmer’ to Exchange 2010 or an earlier version while the user’s Instant Messaging contact list is stored in Exchange. If you do, the user could permanently lose access to their Instant Messaging contact list, which will cause […]

As an Exchange and Active Directory administrator you may be asked at some point to make a new distribution group from one or more other distribution groups. Exchange 2010 and PowerShell make this a very easy task. So to get started log in to your exchange server and open your Exchange Management Console.     Now we need to create the […]

When you try to migrate an O365 mailbox back to Exchange on-premise, you may run into this error message.                 Below is the solution for it.     SOLUTION Set the ExchangeGUID property on the associated on-premises remote mailbox before you move the mailbox to the on-premises organization. To do this, follow these […]

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 […]