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

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

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

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

A few customers exploring the new Outlook Web Access customization features in Exchange 2007 SP1 have asked why when they add a button to the main OWA navigation bar does it appear as a small button only, or commonly stating that the text is "missing". Read More

With Exchange Server 2007 Service Pack 1 you can now manage rules by logging into Outlook Web Access. The goal of the new rules interface is to provide Outlook users with a familiar experience for managing your rules. In the OWA options section is where Read More

EDIT 5/30/2008: The content of this article has since been published in our official Exchange documentation. Please go here for the most updated version. As part of a broader investigation, we measured the network costs between Enterprise email clients Read More

Customers frequently ask Exchange Customer Support Services (CSS) engineers how Exchange Server organizations can be managed using multiple Web sites for Exchange Server-related virtual directories.  This is often used for segmentation purposes or Read More

Right now there is no easy way to tell who is using Entourage, RPC/HTTP (Outlook Anywhere), Exchange ActiveSync, or OWA with what frequency.  I have found Logparser to be very helpful in answering a lot of these questions.  The tool is a bit Read More

Continuing on my previous post, I wanted to go into explaining how Exchange Server 2007 CAS Proxying works for Outlook Web Access (OWA). Proxying for Outlook Web Access is used when there is only one Internet-facing CAS Server. In this scenario the will Read More

In a Microsoft Exchange Server 2007 organization, a computer that is running Exchange 2007 that has the Client Access Server role installed can act as a proxy for other Client Access Servers within the organization. This is useful when multiple Client Read More

S/MIME support for Exchange Outlook Web Access (OWA) was introduced in Exchange 2003. In Exchange 2007 SP1, we are adding S/MIME support back and making it more reliable and powerful. Below, is a short introduction to S/MIME and simple end-to-end steps Read More

As I mentioned a couple months ago on my blog, we have been working on two new OWA themes. With the release of Exchange 2007 SP1 Beta 2, we're ready to say what they are:  Xbox and Zune! Here's a preview: Enjoy! - KC Lemson Read More