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Exchange 2016/2019 Coexistence HTTP 500 Error on ECP

Exchange 2016/2019 Coexistence HTTP 500 Error on ECP

by edward | Jun 11, 2019 | Exchange 2016, Exchange 2019

Ever reboot your servers and when you login, all looks good on the surface but when you try and do stuff well it doesn’t actually work? In this scenario exactly that. Running coexistence with Exchange 2016 and 2019 and after a reboot, all seemed good. Exchange...
Exchange 2016/2019 Coexistence HTTP 500 Error on ECP

Installing Exchange 2016 and Exchange 2019 into the same environment

by edward | Jun 9, 2019 | Exchange 2016, Exchange 2019

Head over to my page on Experts Exchange to view the article in detail: https://www.experts-exchange.com/articles/33593/Installing-Exchange-2016-and-Exchange-2019-into-the-same-environment.html
Exchange 2010:- Error 0xe0434f4d (unknown error) when checking DAG status

Exchange 2010:- Error 0xe0434f4d (unknown error) when checking DAG status

by edward | May 3, 2019 | Exchange 2010, Exchange 2016

Running the command Get-MailboxDatabaseCopyStatus * on an Exchange 2010 Server that has Exchange 2016 in the environment, returns all the database copies for every version but today Exchange 2010 gave a weird error: A server-side administrative operation has failed....
Exchange 2010:- Error 0xe0434f4d (unknown error) when checking DAG status

Exchange 2016 – Event ID 74

by edward | Feb 5, 2019 | Exchange 2010, Exchange 2013, Exchange 2016, Exchange 2019

In Exchange, the above event seems to log from what we have picked up when working in the Exchange Management Shell, however we cannot find what is triggering it or what the fix is. We have not only seen it here but also on Exchange 2013 and 2019. A query was sent to...
Exchange 2016/2019 Coexistence HTTP 500 Error on ECP

Exchange 2019 – No mixing Exchange Servers in a DAG

by edward | Dec 31, 2018 | Exchange 2016, Exchange 2019

In Exchange 2019 but in any version, you cannot mix Exchange versions so they are part of the same DAG. For example, you cannot add an Exchange 2013 server to a 2016 DAG. I though I would test Exchange 2019 to make sure we don’t have a bug like in Exchange 2016...
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