Considering updating your Domain functional level from Windows 2003? Read this!

Now that Windows Server 2003 end of life (July 14th, 2015) is on the horizon, many customers are updating their Active Directory (AD) Domain Controllers (DC) from 2003. The first item to consider is which Windows Server Operating System (OS) you will be moving to for your DC’s. There are several options to consider today:…


Managing OAB in Exchange Server 2013

The Exchange team blog article OAB in Exchange Server 2013 introduced the new Offline Address Book (OAB) generation and distribution architecture in Exchange Server 2013. Take a few moments to visit the article if you haven’t seen it yet or re-visit it for a quick refresher. The OAB management and administration is different in Exchange…


Custom (aka. Extension) attributes in Exchange 2010 SP2 and their use

Some of sharper readers of our documentation talking about schema changes that Exchange makes (see Exchange Server Active Directory Schema Changes Reference, November 2011) have noticed that in Exchange 2010 SP2, we have added several things that sound very related to what’s traditionally known as “custom attributes” in Exchange. Specifically: For object class ms-Exch-Custom-Attributes we…

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Does your Transport think it's Squeaky Lobster Day in your CountryOrRegion?

Today is the magical day when parents tell their tucked-in children the story of the Squeaky Lobster. So here’s a Squeaky Lobster-ish post to celebrate the day. In Exchange 2007, we introduced transport rules – a powerful feature that allows you to inspect different parts of a message such as sender, recipient, subject and headers…


Exploring Exchange 2010 RPC Client Access service

In Exchange 2007, we introduced five server roles that performed distinct functions within the Exchange organization. One role in particular – the Client Access server role – introduced a variety of new Web services, including the Availability service, the Autodiscover service and Calendar Concierge services. In Exchange 2010, we have the same five server roles….


Exchange Provisioning Article in TechNet Magazine

One of the more common questions we get from customers with multi-forest Exchange implementations is “How do I provision my Exchange mailboxes?” Many customers provision mailboxes using various third-party tools, or with tools from Microsoft such as Microsoft Identity Lifecycle Manager 2007 or Microsoft ForeFront Identity Manager 2010, or with free tools from Microsoft. There…


Triaging Exchange Performance issues related to Active Directory (AD) Performance (including Networking and DNS performance)

In many organizations the skill sets that administer Exchange, Active Directory (AD), Domain Naming System (DNS), and the network infrastructure are often segregated. Since Exchange is heavily dependent on communication with AD and that communication must traverse the network, the ability for the Exchange Administrator to have a basic understanding of how each of these…


Maximum number of members in a Distribution Group, and other interesting facts

We frequently get this question in many newsgroups and forums – what’s the maximum number of members you can add to a Distribution group? The member attribute of groups – both Distribution and Security groups, is a multi-valued attribute. So the answer is more about how many values can a multi-valued Active Directory attribute hold….


Publish S/MIME certificates for external contacts to Active Directory for use with Exchange Server 2007

In the past, if you wished to use S/MIME for e-mail encryption with an external recipient, you would add the recipient to your Contacts folder. This was typically done by having the recipient send you a digitally signed item and then right click on the recipient in the From field and click "Save to Contacts"….


Update that will allow you to install Exchange 2007 SP1 into a Single-label named domains is now available

EDIT: This post was updated on 5/2/2008 to include links to international versions of new XML files. We’re happy to announce the release of the English version of an update to the Exchange Server 2007 SP1 Setup prerequisite check file. This update will allow you to install Exchange 2007 SP1 in a single-label domain (SLD)….