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Category: Exchange 2013

This is an interesting topic. Some believe that it is best to disable IPv6 on an Exchange 2013 Server where others do not agree. The problem comes in where the tick box on the Network card is just removed and this then sends the Server into a spiral where services don’t want to stop or […]

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In Exchange, whether it is Exchange 2010, Exchange 2013 or Exchange 2016, there is always some sort of confusion when it comes to deleting or disabling a user mailbox. While one will leave the account in tact and disconnect the mailbox, the other one will remove the account and mailbox. Here is an explanation of […]

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In your Exchange 2013 environment, you may come across the following error below when working in the EAC when you are trying to configure delegation or trying to modify user accounts: The Object <object DN> has been corrupted and is in an inconsistent state. The following validation errors happened: The access control defines the ObjectType […]

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In Exchange, you are probably familiar with creating DAG’s and assigning a DAG IP. All DAG’s running Windows Server 2008 R2 or Windows Server 2012 require at least one IP address on every subnet included in the MAPI network. The IP address(es) assigned to the DAG are used by the DAG’s cluster. The name you […]

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In my previous post we looked at redistributing the active databases and copies in a DAG. Today we will be taking a look at moving an active mailbox database to another server in the DAG. We will be using the Exchange Management Shell to perform this action. Why you may ask do we need to […]

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In your Exchange 2010 environment you will need to re-balance your DAG’s after you perform maintenance or if you had a failure on a Server of if you copies moved to another server. You can manually move the databases from the Exchange Management Console but PowerShell comes to the rescue and does it for you […]

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In any organization running Exchange 2010, Exchange 2013 or Exchange 2013, the internal certificate that is part of Exchange once you have done an installation will expire after 5 years. Sometimes Admins remove these certificates but can lead you to issues down the line when you SSL certificate has expired or was removed and now […]

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In Exchange you need to configure your URL’s like OAB, ActiveSync,ECP,POP,IMAP and Autodiscover to ensure it is fully operational and matches what you have on your SSL Certificate. Many times on the forums, we noticed that someone posts a question only to be asked what is your URL or Autodiscover URi set to, and this […]

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In Exchange 2013 or any version, if you want to have your clients access the services like OWA and ActiveSync for example you would require a good SSL Certificate that needs to be imported onto your Exchange Server. The same goes for your load balance, in this case it is our F5 or it can […]

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In Exchange 2013 you no longer have the CAS Array option. If you are running an F5 or any other load balancer you can create iRules that work very smartly with your Exchange Servers. From taking them off the load balancer if there is an issue or if you doing maintenance you can mark it […]

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There seems to be a number of questions asked about the Exchange 2013 – legacyexchangeDN  and RpcClientAccessServer attribute when migrating from Exchange 2010 to Exchange 2013. In Exchange 2010 when you had a CAS Array, the above two attributes where populated with the name you setup for your CAS Array. However in Exchange 2013 the ExchangeLegacyDN […]

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Exchange 2013 has a feature called “Managed Availability”, it is a built-in monitoring system in Exchange. A quick overview as per the Technet site regarding Managed Availability: Managed availability, also known as Active Monitoring or Local Active Monitoring, is the integration of built-in monitoring and recovery actions with the Exchange high availability platform. It’s designed to detect and […]

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With the release of Exchange 2013 CU16, this one is not just a simple run and install. If you are on an earlier version other than CU15, this setup is a 2 step process, why?, because you need to firstly install .NET 4.6.2 Take note that you would need to do the following steps prior […]

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In Exchange 2010 or 2013 you have a feature called Tarpitting. Lets briefly understand what tarpitting is all about: What is Tarpitting? This is a method to stop a mail sender sending you multiple mail requests. What does it apply to: Directory Harvest Attack. NDR attack. I am not going to go into detail regarding […]

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Exchange 2013 CU upgrades, for the most part run smoothly without issues but you do get an error sometimes that can seem like a curve ball but isn’t actually. In my environment, running an upgrade from CU11 to CU13 for Exchange 2013, the following error came up on the readiness checks: Error: “Setup can’t continue […]

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Scenario: When we introduce a new version of Exchange the first thing that needs to be done is that the Schema and AD need to be prepared for the new version. Run this from a domain controller or from a server with the RSAT-Tools installed: As shown above everything looks good. We need to wait […]

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Scenario: Exchange 2013 CAS role installs perfectly, after a reboot when you open the Exchange Admin Center you are presented with the login screen however once you enter in your admin account details you receive the HTTP 404 error as shown below: Solution: The reason is because no Exchange 2013 Mailbox role is installed. Once […]

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In my lab, while installing Exchange 2013 on another server, the following error was thrown: “The Registry Key “Software\Microsoft\ExchangeServer\V15\Pickup” does not exist under “HKEY_LOCAL_MACHINE”” Navigating to that registry key, sure thing that the key doesn’t exist. Solution: Right Click V15 and add a new Key and call it Pickup. Exit the setup and start it […]

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In my lab, while installing Exchange 2013 on another server, the following error was thrown: “The Registry Key “Software\Microsoft\ExchangeServer\V15\Transport” does not exist under “HKEY_LOCAL_MACHINE”” Navigating to that registry key, sure thing that the key doesn’t exist. Solution: Right Click V15 and add a new Key and call it Transport. Exit the setup and start it […]

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