There is Currently No Route to the Mailbox Database
KB ID 0001413 Problem Background: Just introduced Exchange 2016 into Exchange 2013 Environment. Mailboxes on Exchange 2016, can send external mail and internal (to Exchange 2013) mail. No mail flows from Exchange 2013 to Exchange 2016. External mail to Exchange 2016, (which flows thought the 2013 server,) also fails. Event ID 5006 Cannot find information about owning Mailbox Server {server-path} for database {database-path} in routing...
Exchange 2016 Setup Error “Server-Gui-Mgmt-Infra” Isn’t Installed
KB ID 0001397 Problem During the Exchange 2016 Setup Readiness Checks; The Windows component Server-Gui-Mgmt-Infra isn’t installed on this computer and needs to be installed before Exchange Setup can begin Solution This is a known problem when installing Exchange 2016 on Server 2016, and was fixed in Exchange 2016 (Cumulative Update number 4). You are probably installing Exchange 2016 from the RTM media, (downloaded from...
Exchange: Apply Email Address Policy to All Distribution Groups
KB ID 0001361 Problem While doing a migration I needed to update all of a clients ‘Distribution’ groups with an additional mail domain. This is not normally a problem we can do that with an Email address policy, well yes you can if all the groups have ‘update email addresses based on policy’ ticked, (which is the default!) However this client had done everything manually. So that wasn’t an option....
Exchange ‘Cross Forest’ Mail Migrations
KB ID 0001356 Problem PeteNetLive is full of Exchange Migration walkthroughs, going all the way back to Exchange 2003. But what if you are migrating to another forest? Well for small migrations you can of course export mail from the old Exchange Server, and them import it into the new mailbox in the new domain/forest (usually via .PST files). I’ll provide links at the bottom of the page, if that’s what you would prefer to...
Microsoft Exchange – Forwarding Mail To External Email Addresses
KB ID 0001350 Problem Note: Below I’m using Exchange 2016, but the same approach will work for previous versions. There are a load of reasons why you might want to do this, but before you go off in this direction consider why you are doing this in the first place. For example, if the user requesting this does not need an Exchange mailbox, i.e. because they only use their Gmail account then it’s probably a better idea to...