Welcome to Markus Klein's Section

Markus Klein is a Information Worker and System Center Specialist and Microsoft Certified Trainer. He has had 15 years of experience working as a Senior Consultant and Trainer for VAS Value Added Services GmbH, a Microsoft Gold Certified Partner System Center with well connections directly to Microsoft and deep experiences since 2003 with System Center Opalis. He is specialized in System Center Management (Operation Manager, Service Manager, Data Protection Manager and Opalis), Active Directory, Exchange, Lync Server and Microsoft Virtualization and ForeFront Solutions.

Markus has a Masters degree in Economical Informatics from the University of Applied Science in Osnabrueck/Germany.

In 2002 he spoke at the MCT Conference in Anaheim (CA) on Exchange Server 2000 Mail Security. In 2003 he did the T-Prep Training course on Windows Server 2003/Security, the Exchange Server 2003 Partner Training and the Practice @ Night Training on Small Business Server 2003 for Microsoft in Germany. Additionally he has taught the T-Prep Training on ISA Server 2004 and MOM Server 2005. You can generally contact him through the Microsoft TechEd Europe at the proctoring and Ask the Experts booth.

Markus Klein's Latest Contributions

Exchange 2010 Edge Server High Availability: Date - Dec 22, 2011; Section - Exchange 2010 Articles / High Availability & Recovery; In this article the author discusses email high availability using the Exchange Edge role to provide email routing.
Automatic Email Server Notifications in Exchange Server 2010: Date - Nov 10, 2011; Section - Exchange 2010 Articles / Management & Administration; This article will explain the reasons behind automated notification failures and will discuss two workarounds to mitigate the problem.
Uncovering the impacts of Domain Rename on Exchange Server 2010 SP1: Date - Oct 13, 2011; Section - Exchange 2010 Articles / Migration & Deployment; This article will discuss the pros and cons on how to rename Active Directory Forests and what this means to the existing Exchange Organizations if the companies are running Exchange 2007 or higher.
Migrating Exchange Server 2010 Organization into the Private Cloud: Date - Jul 26, 2011; Section - Exchange 2010 Articles / Migration & Deployment; This article discusses how to migrate a dedicated, non-virtualized Exchange Server 2010 SP1 environment into a Private Cloud based collocated data center without disruption of mail transfer for the users.
Archiving with Exchange Server 2010 SP1 in the Cloud: Date - Jun 09, 2011; Section - Exchange 2010 Articles / Compliance, Policies & Archiving; With Exchange Server 2010 SP1 Microsoft has introduced archiving functionality directly from within the Exchange mailbox as a product feature.
Using Header Rewriting with Exchange Server 2010 Service Pack 1: Date - Mar 29, 2011; Section - Exchange 2010 Articles / Management & Administration; This article deals with the configuration possibilities and tasks that perform “header rewriting” in the Exchange Server based messaging solution.
How to migrate from Exchange 2007 CCR to Exchange 2010 DAG on existing hardware (Part 2): Date - Jan 25, 2011; Section - Exchange 2010 Articles / High Availability & Recovery; Completing the migration of Exchange server 2007 CCR to Exchange server 2010 DAG.
How to migrate from Exchange 2007 CCR to Exchange 2010 DAG on existing hardware (Part 1): Date - Dec 21, 2010; Section - Exchange 2010 Articles / High Availability & Recovery; This article discusses the migration preparation from Exchange 2007 CCR to Exchange 2010 SPI DAG.
How to configure Unified Messaging with Asterisk SIP Gateway (Part 2): Date - Oct 19, 2010; Section - Exchange 2010 Articles / Mobility & Client Access; How to set up Asterisk Trixbox to work as an SIP gateway.
How to move from a Single Server to High Availability with DAG: Date - Sep 02, 2010; Section - Exchange 2010 Articles / Management & Administration; How to move from a Single Server to High Availability with DAG.
How to configure Unified Messaging with Asterisk SIP Gateway - Part 1: Preparations for Unified Messaging on Exchange Server 2010: Date - Aug 24, 2010; Section - Exchange 2010 Articles / Mobility & Client Access; This article describes the implementation, configuration and new features in the Unified Messaging Role on your Exchange Server 2010 organization.
Changes to Unified Messaging with Exchange 2010: Date - Jul 06, 2010; Section - Exchange 2010 Articles / Mobility & Client Access; Taking a look at some changes made to unified messaging with Exchange 2010.
Managing Distribution Lists in Exchange Server 2010: Date - Mar 23, 2010; Section - Exchange 2010 Articles / Management & Administration; Discussing the new features for managing distribution lists in Exchange Server 2010.
Exporting and Importing Mailboxes with Exchange Server 2010: Date - Nov 12, 2009; Section - Exchange 2010 Articles / Management & Administration; How to export and import mailboxes with Exchange 2010.
Office Communication Server 2007 R2 - New Features: Date - Apr 16, 2009; Section - Exchange 2007 Articles / Mobility & Client Access; Taking a look at the new features of the Office Communication Server 2007 R2, their design prospects and how they should be deployed.
Replacing Exchange 2003 Frontend OWA Server with Exchange Server 2007 Client Access Server: Date - Feb 17, 2009; Section - Exchange 2007 Articles / Migration & Deployment; The pros and cons of replacing Exchange 2003 Front-End OWA Server with Exchange Server 2007 Client Access Server.
Exchange Server 2007 SPAM filtering features without using Exchange Server 2007 Edge Server: Date - Jan 15, 2009; Section - Exchange 2007 Articles / Security & Message Hygiene; Using Exchange Server 2007 SPAM filtering features without using Exchange Server 2007 Edge Server Role.
Server Administration in Exchange 2007 using Powershell CmdLets: Date - Nov 06, 2008; Section - Exchange 2007 Articles / Management & Administration; A description of Database and Storage Group Management using Powershell Cmdlets.
User Administration in Exchange 2007 using Powershell CmdLets: Date - Jul 03, 2008; Section - Exchange 2007 Articles / Management & Administration; Taking a look at some of the general administrative tasks that can be easily accomplished using Powershell.
Designing a Multi-Server Environment based on High Availability and Role Based Setup: Date - Apr 17, 2008; Section - Exchange 2007 Articles / Planning & Architecture; How many servers you really need, what role based setup is, and how to incorporate high availability into your design.
Troubleshooting an Exchange Server 2003 Migration to Exchange Server 2007: Date - Jan 22, 2008; Section - Exchange 2007 Articles / Migration & Deployment; The transition from Exchange Server 2003 organizations to Exchange Server 2007 is straightforward and in general not a big risk. Since there is no in-place upgrade method, it is always possible to move one step back.
Implementing Outlook Voice Access with Exchange Server 2007 (Part 2): Date - Nov 27, 2007; Section - Exchange 2007 Articles / Mobility & Client Access; Exploring the technology behind OVA and what prerequisites have to be in place to make it cost-effective.
Implementing Outlook Voice Access with Exchange Server 2007 (Part 1): Date - Sep 18, 2007; Section - Exchange 2007 Articles / Mobility & Client Access; Install and set up Unified Messaging, configure Outlook Voice Access, and test your configuration using the Microsoft Test Phone Tool.
Exchange Server 2007 Email Routing, Part 3 – Using the Exchange Management Shell: Date - Jun 14, 2007; Section - Exchange 2007 Articles / Management & Administration; How to configure Email routing in Exchange Server 2007 using the Powershell console.
Exchange Server 2007 Email Routing, Part 2 – Exchange Server Configuration: Date - Apr 17, 2007; Section - Exchange 2007 Articles / Planning & Architecture; How to configure Email routing within Exchange Server 2007.
Exchange Server 2007 Email Routing, Part 1 – Theoretical Basics: Date - Mar 08, 2007; Section - Exchange 2007 Articles / Planning & Architecture; How Exchange is designed and how it works in detail.
Dealing with NDRs on Microsoft Small Business Server 2003: Date - Dec 19, 2006; Section - Exchange 2003 Articles / Management & Administration; How to deal with non delivery reports within Exchange Server 2003 as part of Small Business Server 2003.
Microsoft Small Business Server 2003 Spam Filtering: Date - Oct 10, 2006; Section - Exchange 2003 Articles / Security & Message Hygiene; This article takes an in-depth look at the spam filtering features provided with Microsoft SBS 2003 and how to implement them.
Configuring Incoming and Outgoing Email for Windows Small Business Server 2003: Date - Jul 04, 2006; Section - Exchange 2003 Articles / Management & Administration; In this article we will discuss how to configure SBS 2003 to properly recieve and send mail using the wizard.
Configuring ISA Server 2004 as an Exchange Frontend Server in the DMZ (Part 2): Date - May 16, 2006; Section - Exchange 2003 Articles / Security & Message Hygiene; In this second article I will delve a little deeper into the configuration tasks that need to be done when configuring ISA Server 2004 as a Reverse Proxy Server in your DMZ which is protected by two other Firewalls.
Configuring ISA Server 2004 as an Exchange Frontend Server in the DMZ (Part 1): Date - Mar 07, 2006; Section - Exchange 2003 Articles / Security & Message Hygiene; Ever since ISA Server 2004 has been available, there have been quite different opinions on which is the best design strategy for publishing Exchange Server 2003 services securely on the web. Within this drill down we will delve a little bit deeper into the configuration details on how to make your Exchange Server 2003 publishing as secure as possible using ISA Server 2004 taking into consideration the ideas of the Exchange product team.
Booking Resources with Exchange Server 2003 and Outlook System 2003: Date - Jan 17, 2006; Section - Exchange 2003 Articles / Management & Administration; After a successful implementation of Microsoft Exchange Server 2003, the next step would be implementing lots of improvements within the working processes of the company and its organizational infrastructure. Many companies are willing to plan their company resources using Exchange and Outlook to make it easier for each employee to find out if a resource is already booked or still available.
How to Regain Access to an Exchange Server 2003 Organization: Date - Dec 20, 2005; Section - Exchange 2003 Articles / Management & Administration; Exchange Server 2003 relies on a complex but detailed and strict access control hierarchy. This means that you as an administrator have to check whether any users will have any access to the Exchange Organization itself.
Configuring S/MIME Security with Outlook Web Access 2003: Date - Nov 03, 2005; Section - Exchange 2003 Articles / Security & Message Hygiene; Email Security has become increasingly important because of the possibility of man-in-the-middle attacks or the risk of an unknown third person that may sniff your SMTP traffic within the internet or even your intranet. In addition, in some countries there are laws preventing you from sending insecure email. Therefore Microsoft implemented the S/MIME standard in its Exchange Server architecture. The feature to encrypt or sign your emails became a default feature within all messaging and collaboration systems. Within this article we will look at how S/MIME has to be configured and how it works.
Free/Busy Folders in Exchange Server 2003 in Depth: Date - Sep 15, 2005; Section - Exchange 2003 Articles / Management & Administration; With every Exchange Server environment, you as the administrator have to deal with the free/busy functionality and its problems. To understand how this works and what you have to consider in projects and processes, this article will dive a little bit deeper into this topic. We will have a close look at the system folder itself and how to deal with this topic during migrations and normal work troubleshooting topics.
Migrating from Notes Domino to Exchange 2003 using the Exchange Notes Connector: Date - Sep 08, 2005; Section - Exchange 2003 Articles / Migration & Deployment; In the past, lots of companies used Notes Domino Server as their primary messaging platform but, with the release of Exchange Server 2003, a lot of them are thinking of migrating to Microsoft Exchange Server 2003. There are many 3rd party vendors selling migration tools for migrating Notes to Exchange but only few of them really have their own tool. A lot of these tools are add-ons relying on the Exchange Notes Connector. This means you should have a good idea of how it works and how it has to be configured. Within this article you will get a deep drill-down on the step-by-step migration process using the connector.
Restoring Exchange Server 2003 to alternate Hardware: Date - Jul 19, 2005; Section - Exchange 2003 Articles / High Availability & Recovery; There are several steps you will have to do if you have to restore your Exchange Server 2003 System to alternate hardware. This is very often a task if your old Exchange Server box crashed and you did not have a chance to get the same or very similar hardware back. The goal now will be restoring your Exchange Server 2003 System on new hardware that is not the same as the old. Within this article we will get a drill-down on how this works and what steps and tasks need to be done to make things run properly.
Optimizing your Exchange Server 2003 Deployment using Exchange Best Practice Analyzer 2.0: Date - Jun 02, 2005; Section - Exchange 2003 Articles / Tools; Due to the many different theories about the best practice of configuring a Exchange Server 2003 deployment in an organization, Microsoft tried to give each administrator and consultant an easy way to deploy Exchange using Microsoft’s recommendations on best practices. With release 2.0 of the Exchange Best Practice Analyzer, Paul Bowden, the “father” of this tool, has provided a powerful tool for easily configuring and optimizing your Exchange Server environment. In this article you will get a brief description of the features of Exchange Best Practice Analyzer 2.0 and how to use it to optimize your configuration.
Implementing NNTP using Microsoft Exchange Server 2003: Date - Apr 05, 2005; Section - Exchange 2003 Articles / Migration & Deployment; If you decide to use Newsgroups in your Exchange Server 2003 organization, the first step is to choose between Local and/or Public Newsgroup implementations. If you want to implement Local Newsgroups it is quite easy and independent from Internet traffic. Public Newsgroups mean that your Internet traffic might increase a lot so you as an administrator should try to keep public information to a minimum only.
Implementing High Availability for Outlook Web Access using Network Load Balancing: Date - Feb 01, 2005; Section - Exchange 2003 Articles / High Availability & Recovery; Today nearly every company that is running Exchange Server 2003 publishes Outlook Web Access to provide their users with the ability to read and write emails from nearly all around the world. The only thing you need to have is a computer connected to the Internet. This means that it is now more important than ever that you provide high availability and high performance to your users. Windows Server 2003 provides a powerful solution regarding this topic: Network Load Balancing, formerly known as Windows Load Balancing. In this article we will see how to configure Network Load Balancing for Outlook Web Access Services.
Implementing the X.400 Connector - Is It Worth Using with Exchange Server 2003?: Date - Jan 06, 2005; Section - Exchange 2003 Articles / Planning & Architecture; Exchange Server 2003 Enterprise Edition still provides a X.400 connector. With Exchange Server 5.5 this was the default protocol and connectivity standard. With the release of Exchange 2000 Server Microsoft implemented SMTP as the default protocol for connectivity. Due to backward compatibility there is still a X.400 based MTA stack available. But it is only a stack and not a protocol implementation. The following article is a drill-down through the basics of X.400 and how to configure the X.400 connector. Afterwards we will then talk about in what cases we still need it.
Designing an Active Directory/Exchange 2003 environment using the Exchange Best Practices Analyzer: Date - Nov 11, 2004; Section - Exchange 2003 Articles / Tools; A lot of companies are willing to implement Microsoft Exchange Server 2003 as their primary messaging and collaboration system. And therefore these companies need an Active Directory implementation. The question then often is: What’s the best way to design an Active Directory environment for Microsoft Exchange Server 2003? Within this article we will try to delve a little bit deeper in this designing process itself and will have a look at the best practices for implementation.
Configuring Mobile Devices to connect to Exchange Server 2003: Date - Oct 05, 2004; Section - Exchange 2003 Articles / Mobility & Client Access; With Exchange Server 2003 you have the possibility to use mobile devices to connect to your Exchange Server 2003 environment. Generally there are two ways to connect: through Outlook Mobile Access and, Exchange Active Server Sync. Within this article we will have a closer look at the configuration and the implementation of Exchange Active Server Sync and especially what has to be done to configure your device properly to make it work.
Recovering Mailboxes with Exchange Server 2003 Service Pack 1: Date - Aug 12, 2004; Section - Exchange 2003 Articles / High Availability & Recovery; If someone already tried the Exchange Server 2003 Beta 2 he should have found out that at least one feature was missing in comparison to the final release. With the Beta 2 you were able to reconnect a mailbox that was mounted via the recovery storage group feature with a user from your Active Directory. So it was quite easy to configure and no Exmerge utility was needed at that time. With its final release things changed and you have had to use Exmerge to recover the mailbox. Now with Service Pack 1 this feature is back.
Using ExMerge to recover a Single Mailbox or Mailbox Item: Date - Jun 17, 2004; Section - Exchange 2003 Articles / Tools; As already described in one of my last articles about Exchange Server 2003 you do not have to install a second Exchange Server environment in an isolated forest to restore a single mailbox or a single mailbox item. You can use the recovery storage group to restore a mailbox database onto your running Exchange Server 2003. After having done this you now have to extract the mailbox you want to recover using the ExMerge utility.
Managing Mobile Access with Exchange Server 2003: Date - May 25, 2004; Section - Exchange 2003 Articles / Mobility & Client Access; With Exchange Server 2003 we have some integrated mobile access features with the Microsoft messaging solution. In this article we firstly discuss the chances and risks of providing mobile access in Exchange and then describe the best practises configuring these ones.
Troubleshooting and Monitoring Exchange Server 2003 Message Flow: Date - Apr 08, 2004; Section - Exchange 2003 Articles / Management & Administration; Nowadays, with the great success of Exchange Server 2003, you have to prepare yourself on what action to take should message flow related problems occur. To ensure that you, as an administrator, become aware and recognize any problems before your users have reported them, you will need to make use of monitoring. This article will describe how to monitor your server queues and how to react if there are any problems.
Implementing Email Security with Exchange Server 2003: Date - Feb 11, 2004; Section - Exchange 2003 Articles / Security & Message Hygiene; Has anyone ever considered Email Security (S/MIME) within their Exchange Server 2003 network environment? As complex as it was to configure with earlier versions of Exchange Server, now it’s equally easy to implement with Exchange Server 2003. The only requirement is a Windows Server 2003 certificate authority with configured automatic certificate enrollment.
Implementing Outlook Web Access with Exchange Server 2003: Date - Dec 23, 2003; Section - Exchange 2003 Articles / Mobility & Client Access; Following the implementation of Exchange Server in a company it is often desirable connect to users mailboxes using Web Access. Especially with the new release of Exchange Server it is quite interesting to use OWA because you have nearly all the functionality as Microsoft Office Outlook 2003. Within this article we provide a detailed step-by-step guide for implementing Outlook Web Access. Priority will be given to security issues at every stage of the implementation.
Migrating from Exchange Server 5.5 to Exchange Server 2003: Date - Oct 30, 2003; Section - Exchange 2003 Articles / Migration & Deployment; Many companies are still using Exchange Server 5.5 as their primary email and collaboration system. With the end of Microsoft’s support of this release within 2003 they have to decide to move to a new release of Exchange Server. Within this article you will get a detailed overview on how to migrate an Exchange 5.5 directory to a new Windows Server 2003 supported Exchange Server 2003 environment. Because an in place upgrade is not supported, it won’t be covered in this article.
Implementing and Configuring Blacklist Support in Exchange Server 2003: Date - Sep 17, 2003; Section - Exchange 2003 Articles / Security & Message Hygiene; Spam filtering software based on keywords, etc. is only one brick in the wall guarding against Spam; another one is to implement black- or block-list support within your messaging and collaboration environment. With the new release of Exchange, Microsoft implemented the functionality to filter every incoming email whether the sender is on a blacklist or not. Within this article you will learn how blacklists work and how you can configure support with Exchange Server 2003.
Exchange Server 2003 Mailbox Recovery: Date - Aug 01, 2003; Section - Exchange 2003 Articles / High Availability & Recovery; Presenting his first article for MSExchange.org, we are pleased to welcome Markus Klein (MCSE & MCT) to our team of authors. With the new release of Exchange Server, Microsoft provides some more ways to easily recovery a mailbox from an online backup or if it is accidentally deleted. Within this article we will have a close look at these new features.