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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 mailboxes, plans, etc. however in Exchange 2016 there is one more. If you try […]

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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 Features” as shown below: Once installed, […]

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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 Integrated Authentication was set to $True. Lastly, you need to check your bindings […]

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In one of my previous posts we covered installing Exchange Server 2019 on Windows Server 2016/2019 Full desktop, in this article we will cover installing Exchange Server 2019 on Windows 2019 Core. In Azure, Microsoft have the preview OS available for Server 2019 where I installed this. The basics are the same, In Azure you […]

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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 on the Exchange 2016 Servers. Event ID 2080 is […]

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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 server and then restart the Exchange Information Store. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeIS\ParametersSystem\Maximum Allowed […]

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As an Exchange Admin, the Exchange Management Shell (EMS) is probably something you work on all day. Like any other day, you launch the EMS and are presented with lengthy error but can still work. Can’t generate Export-Module for the current session using Import-PSSession A simple way in my case to fix this was to […]

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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 not start automatically. Starting them worked fine but after a short while, […]

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Exchange and .NET Framework, this is a common subject that comes up a lot, across many forums. Exchange in general works with “most” versions of .NET Framework, however you get releases like .NET 4.7 and now the latest one .NET 4.7.2 which is not supported on any version of Exchange and installing it can/will potentially […]

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Exchange Server 2019 Public Preview is still very new and yes it probably contains some errors/problems that should be addressed before the full release is issued. In my lab, I came across the following error which is strange as the Server is pretty straight forward, no AV or Firewall enabled at stage of deployment. A […]

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Microsoft released Exchange Server 2019 Public Preview a few days ago, in this article we will go through the full Install with all prerequisites. This installation was done in a new domain without any previous versions of Exchange Installed. This is a step-by-step install guide to install the preview build of Exchange 2019 Public Preview, […]

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For many the anticipated wait for Exchange 2019 Public Preview has finally launched. You can now install Exchange on Windows 2019 Server core and also on the GUI. To learn more about the new features in Exchange Server 2019, head over to the Exchange Team Blog below: https://blogs.technet.microsoft.com/exchange/2018/07/24/exchange-server-2019-public-preview/ You can download the preview here Take […]

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In your Exchange 2016 environment, you might be running CU8 or CU9 but keep noticing the following warning below log about every 6 hours in the application log: Log Name: Application Source: MSExchangeApplicationLogic Date: 7/17/2018 6:10:23 PM Event ID: 3028 Task Category: Extension Level: Warning Keywords: Classic User: N/A Computer: Server01.lab.com Description: Scenario: ProcessKillBit. Failed […]

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In Exchange, whether it is Exchange 2010 or 2013 or even 2016, there may come a time when you are required to do an Export of Mailbox to a PST file. This can be for many reasons but sometimes you need information for a specific date Range rather than exporting the entire mailbox. In this […]

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On your Exchange 2013 Server, you may be wondering where all the space is going to, many Exchange Admins are not sure where to find the culprit, so I have put together a small script to list the 4 directories as mentioned below. The Script has 5 buttons, the bottom one called Get Directory Size […]

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If you are running Exchange 2013 or Exchange 2016, sometimes admins make changes to groups and after the topology refresh, you login to the EAC and come across the following error when you click on the Organization Management Group and you notice you cannot perform your daily admin tasks: You can’t copy this role group […]

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In your Exchange 2016 environment, if you have upgraded to Exchange 2016 CU8 or have done a fresh install of CU8, you might notice that Event ID 6003 is logged on the server, here is the error: “UAPErrorLog: Failed to create the log directory: D:\ActivityLogs\UAPErrorLog because of the error: Could not find a part of […]

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In your Exchange environment, whether it is Exchange 2010 or 2013, you might come across an error that when you try run any form of command, where it is to re-balance your Exchange DAG or perform any other function in the EMS, you are presented with a lot of red errors as follows: The WinRM […]

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In Exchange 2010, you might come across the following error message logged consistently in the event log for a mailbox: Mapi session exceeded the maximum of 250 objects of type “objtMessage” The best option will be to investigate outlook add-ins or AV or something scanning the mailbox on the machine. Take note this will affect […]

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