Exchange Size Limits
Exchange Size Limits KB ID 0001368 Problem When attempting to send an email from Outlook via Exchange, you see a message like the one below. The following files weren’t attached because adding them would cause the message to exceed the maximum size limit of {Size} MB: {File-Name} Or, when someone attempts to send a message to one of your mailbox users they get an NDR that looks like this. Remote Server returned ‘550 5.2.3...
Exchange 2019 Migration from Exchange 2016
KB ID 0001472 Exchange 2019 Migration If Exchange 2016 was Exchange 2013 in a pretty dress, then with Exchange 2019 it’s simply added a hat. In the past, every third Exchange release was a major rebuild, but Exchange 2016 is simply Exchange version 15.1 (Exchange 2013 was 15.0 and Exchange 2016 is version 15.1). So the Exchange 2019 Migration is pretty much the same as it was from 2013 > 2016, or even 2016 > 2016. There...
Exchange Y2KK Bug
KB ID 0001769 Y2KK Problem Over the last couple of days the Exchange forums have been alight with the Y2KK bug, typically it affects Exchange 2016 and 2019 (though the chatter is, it actually effects any Exchange versions whose update version begins with 22… This is fine below, (it begins with 21..) Add-PSSnapin Microsoft.Forefront.Filtering.Management.Powershell Get-EngineUpdateInformation Y2KK Symptoms Emails No Longer Being...
Free Exchange Certificate
KB ID 0001739 Problem A couple of weeks ago I wrote an article about getting free certificates for IIS with ‘Let’s Encrypt’. Last week the renewal for my ‘test’ Exchange server’s certificate came though. So I thought “Why don’t I try and get a ‘Free Exchange Certificate’?” Free Exchange Certificate Before we start let’s take a moment to take a look at our existing...
Cannot Open Exchange Management Shell
KB ID 0001707 Problem When attempting to open the Exchange Management shell you see the following; Welcome to the Exchange Management Shell! Full list of cmdlets: Get-Command Only Exchange cmdlets: Get-ExCommand Cmdlets that match a specific string: Help ** Get general help: Help Get help for a cmdlet: Help or -? Exchange team blog: Get-ExBlog Show full output for a command: | Format-List Show quick reference guide: QuickRef VERBOSE:...