Exchange 2016
Exchange 2019 – No mixing Exchange Servers in a DAG
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 but it...
Exchange 2016:- Cipher lockdown with IISCrypto 2.0
In my Exchange lab I have been experimenting with Cipher Suite lock down and closing holes in SSL. Here are a list of items that we went through: IIS Crypto check and configure. SSL Labs website check. SSL Certificate check and validations. Strict Transport Security -...
Exchange 2016: No server roles showing
Strange one in Exchange 2016. A Mailbox server was running for a while at a customer, tried to add the server to a DAG but it just failed. Decided to check a few things and on the Exchange Admin Center (EAC) I noticed it said no roles on the server in question....
Exchange 2016: Error setting up IMAP account
As an Exchange Admin, you have deployed Exchange 2016 in your environment. The time comes for testing and you find that you are unable to setup an IMAP account as it fails when trying to send the email on the final step: "The account ‘Domain\Account’ provided valid...
Exchange 2016:- Cannot remove mailbox database
In any Exchange organization, it is common to add and remove mailbox databases, especially the default ones Exchange creates with the install. Generally when you want to remove a mailbox database you would need to move any mailboxes, arbitration mailboxes, archive...
Exchange 2016:- Restrict Access to the EAC in IIS
In Exchange 2016, you can harden access to the Exchange Admin Center (EAC) by creating a rule/s in IIS. To do this you will need to add an additional feature to IIS called "IP and Domain Restrictions". This can be done from Server Manager and selecting "Add Roles and...
Exchange 2016: EMS WinRM client error
In Exchange 2016, after you have done your installation and all says successful, you login to the Exchange Management Shell and are presented with the following error: Rebooting the server does not help. Checked the PowerShell virtual directory and Basic plus Windows...
Exchange 2016: – EventID 2193, MSExchange ADAccess
In my test environment, I have multiple versions of Exchange, Exchange 2010, 2013 and 2016. Exchange 2010 and 2013 log event ID 2080 for the Topology with no errors. All Domain controllers are visible and can be contacted, however a strange error seems to be happening...
Exchange 2016:- Event ID 9646: Mapi session (redacted) with client type MoMT exceeded the maximum of 32 objects of type Session
In your Exchange 2016 environment, you might have noticed the following Event (Event ID 9646) being logged: Mapi session (redacted) with client type MoMT exceeded the maximum of 32 objects of type Session To resolve this issue, you can create a registry key on the...
Exchange 2010:- KB4338830 breaks mail-flow
Microsoft released July windows updates and a customer recently patched there servers, however the affected KB was still in the list. After a successful installation, everything seem to be okay. After the reboot, the Edge and Transport services on the HUB servers did...