Outlook certificate warning when adding an Exchange server

Certificate warning when adding an Exchange server Background When introducing a new Exchange server in an existing organization there is a common issue that appears.The new server doesn't have any certificates and because of this you will most likely see this message in Outlook on clients that are connected to your environment. I've seen this at multiple customers when they are installing a new Exchange 2016 server and adding it to their existing environment. A common scenario where this occurs is when you have an Exchange environment and a Office 365 tenant and are in the final steps of migrating to…

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Powershell: Add or Remove access rights to shared mailboxes in Exchange 2010.

I had a user that was unable to open existing shared mailboxes in Office 2013.The user had upgraded Office from 2010 and was unable to expand the shared mailboxes afterwards.To solve this we had to reassign permissions to the mailboxes. I used the following command to get a list of mailboxes that the user had access to instead of checking each of them manually. $Users = "username" Get-MailboxPermission -Identity * -ResultSize Unlimited | Where-Object {$_.User -like $User} | select identity,user | Export-Csv c:users.csv I edited the CSV to be imported properly by Import-Csv.When the CSV is ready I used the…

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Exchange 2010 Mailbox Export to PST using PowerShell

I recently had a need to export mailboxes to PST. This was done in an environment with Exchange 2010.This can easily be done with the following command in the Exchange Management Shell. New-MailboxExportRequest -Mailbox -FilePath \serverPSTIdentity.pst This is a bit inconvenient if you need to export more than a few mailboxes.I created the script below to accommodate my need and to be able to run it from another workstation.The only requirement is that you have access to the Exchange server and that you have the management tools installed for your version of Exchange. As soon as I can get around…

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