Protecting your AD FS environment from password (spray) attacks (in an Office 365 context)
Recently, I attended the Thrive Conference in Ljubljana, Slovenia. During the IT Pro “Ask the...
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Category: How-To’s
Speeding up retrieval of Send-As permissions
Many Exchange administrators are familiar with the Get-ADPermission cmdlet. In the contrary to the Get-MailboxPermission cmdlet, the Get-ADPermission cmdlet retrieves Active Directory permissions for an object, instead of...
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Rewriting URLs with KEMP LoadMaster
Earlier this month, I wrote an article on how you could use a KEMP LoadMaster to publish multiple...
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Publishing multiple services to the internet on a single IP address using a KEMP Load Balancer and content switching rules
A few days ago, someone suggested I write this article as it seems many people are struggling with...
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My journey to a new home lab…
Almost two years ago now, I bought myself a new – what I thought was at that time – a “real” home...
Read MoreExploring Exchange Server Component States
As described in a previous article, an Exchange 2013 server can be placed into a sort of maintenance mode, not only by temporarily pausing a DAG node from the cluster, but also by putting Exchange components on that server into...
Read MoreFinally! First Exchange 2013 Sizing Information released.
Yesterday, Microsoft’s CXP team (Customer Experience Team) released a lengthy blog post containing practical information towards sizing of Exchange 2013. A moment we all have been waiting for since the product was released in...
Read MoreCreate a function to connect to and disconnect from Exchange Online
[Update 26/03/2013] I wanted to share a quick update to the script with you. Over the past few weeks, I have hitting an issue at some customers that used an outbound authenticating proxy which prevented me from connecting to...
Read MoreHow to check what the version of your tenant is in the cloud (Office 365)
I sometimes get the question how one can verify what the version of Exchange they’re running in the cloud. Although it should be pretty obvious based on the GUI (Exchange 2010 vs. Exchange 2013) and the fact that the latter...
Read MoreYou get an error: “The <name> connector cycle has stopped. Object with DN <GUID> failed…”
As part of setting up a hybrid configuration between Exchange on-premise and Exchange online (or when configuring Exchange Online Archiving), you also need to setup DirSync. In these scenarios DirSync fulfills an important role...
Read MoreLoad Balancing Exchange 2013 – part 2
Introduction In the first part of this article, we talked about Load Balancing in general and took a closer look at what the advantages and disadvantages of simple layer 4 load balancing for Exchange 2013 were. Today we’ll dive...
Read MoreRetrieving Exchange Autodiscover SCP information from AD via PowerShell
As part of the Autodiscover process, Outlook will query Active Directory in search for the Autodiscover SCP which it will use to discover the Autodiscover URL where it should send its request to. The configuration information...
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Microsoft MVP
Hello! I’m Michael
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