Recently, we've seen calls on OWA Change Password functionality and questions about the features with Windows Server 2008.  The following is a quick synopsis of what you need to know to get this working the way you need it to. Previous versions Read More

CSS often fields questions about troubleshooting Exchange 2007 Client Access Server (CAS) publishing rules using ISA Server 2006. The ForeFront TMG team blog has a great post: Troubleshooting OWA 2007 Publishing Rules on ISA Server 2006.  If you Read More

When you use a single server in your organization, but wish to publish Free/Busy for Exchange users from another organization (using the Add-AvailabilityAddressSpace cmdlet and InterOrg replication or third party solutions), it is important to remember Read More

In my last post I showed how to set up OWA certificate based authentication on a Windows 2003 CAS with ISA 2006. In this post, I will cover how to set this up when your Client Access server is running on Windows 2008 server without being published with Read More

Lately we have seen more interest in certificate based authentication with Exchange 2007 Outlook Web Access. Using certificates for authentication can be considered more secure because a user cannot gain access to the mailbox simply by knowing the user Read More

As mentioned in my previous post on the subject of Autodiscover Service and Outlook Providers - I wanted to follow-up with the discussion of modifying the providers. What is the impact when we change the Outlook provider configuration? In what scenarios Read More

To allow Autodiscover to function completely there is an important component in Exchange 2007 Server named Providers. Providers are components that are specifically related to the type of client that is trying to connect and be configured. When the Client Read More

In Exchange Server 2007 SP1, the EWS team added a new feature called EWS Request Proxying.  It is sometimes also referred to as EWS Proxy or HTTP Proxy.  Not much has been said about this feature, but if you care about performance, it is important Read More

If you've not heard; Apple released iPhone 2.0 today which includes a software update to the existing iPhones in the market (yes, we mentioned it when it was announced as well).  We're thrilled to add them to the family of Exchange ActiveSync licensees Read More

Introduction We have been working on a problem that surfaced with the release of Exchange 2007 Rollup 5. A number of customers reported that some of their Exchange 2007 managed services did not start automatically after Rollup application, however they Read More

Performance analysis and troubleshooting can be a very complex and daunting area with Exchange Server. Being able to quickly and accurately identify and resolve issues requires a thorough understanding of the most interesting and important performance Read More

EDIT 8/22/2008: Corrected a typo in a "DisabledComponents" registry key name. It's been a while since I've been thinking of writing a blog post about various aspects of Outlook Anywhere that people have been asking questions about. Somehow, Read More

I wanted to post a follow-up to Cathy's documentation announcement with a bit more information on RPC Client Throttling. With the release of Microsoft Exchange Server 2007, a new feature known as RPC Client Throttling is available to administrators to Read More

Hi! This is my first post to the Exchange Team Blog - hope this is of use! My name is Robert Gillies, and I'm a Senior Consultant in the Federal Civilian Practice of Microsoft Consulting Services. One of my recent projects for one of my customers had Read More

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 Read More