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 […]
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 […]
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 […]
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 […]
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, […]
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 […]
A strange one, a customer reported that her Outlook Web Access shows all email however when she launches outlook and logs in to her IMAP account, there is a big difference. One way you can try to fix this is to update the settings for the IMAP account in Outlook. To do this from within […]
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 […]
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, […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
Here is a quick tip for Exchange Admins working in an Exchange 2010/2013 Coexistence Environment. When you launch the Exchange Admin Center, https://mail.domain.com/ecp and you login, you will be presented with the Exchange 2010 ECP page and not your Exchange 2013 EAC page. To get round this, you need to add a piece to the […]
In your Exchange 2013, you have setup everything and now you want to start administering your new environment, upon launching the Exchange Admin Center you enter your credentials and click login, you are then presented with the following error: As a start you reboot the server, after a reboot, same problem still applies. To start […]
In your Exchange 2010/2013 environment, you might start moving mailboxes, however when you try creating a batch and then click the new button, you come across the following error message: The reason you receiving the error message above is because your arbitration mailboxes are still located on an Exchange 2010 server and needs to be […]
