As many of you already know, Exchange ActiveSync uses HTTP-DAV to access the user’s mailbox. By default these HTTP requests are all sent to the /Exchange virtual directory on the mailbox server. However, in certain deployments like the hosting scenario Read More

After helping someone on the problem related to this not that long ago - I decided it might be good to blog about this a bit more; there might be more people that are running into this problem and it is not one of most obvious ones either!   What Read More

We are pleased to announce the availability of the Exchange Server Best Practices Analyzer v2.1. The new version can be downloaded from here. Starting next week, for those running ExBPA v2.0, you will be prompted to upgrade to v2.1 the next time the tool Read More

"The Exchange Web Client" was the first web email client produced by Microsoft.  It had an interesting green and black color scheme but it did most of the basic needs for doing messaging.  We didn't have enough time to add calendaring support Read More

Note: This article refers to the policy mechanism of Exchange 2003 SP2, it does not apply to Exchange 2007. For information on how to manipulate Exchange 2007 policies, look for PowerShell tasks named ActiveSyncMailboxPolicy. People in charge of IT departments Read More

The Active Directory Connector is a utility that is used to replicate recipient and configuration data between the Exchange Directory and Active Directory.  It was first shipped with Windows 2000, then later shipped with Exchange 2000 Server and Read More

There have been a lot of queries regarding deploying Exchange in a Multi-site/data replication environment. I'll try to answer some of them here. Deployment Guidelines The Deployment Guidelines for Exchange Server Multi-Site Data Replication whitepaper Read More

As it was mentioned in the previous post on the subject, Exmon (Exchange User Monitor) tool can be very useful when trying to analyze the impact and ways that Exchange MAPI clients are using the server (Exchange 2000 or 2003). We had several questions Read More

The Exchange System Attendant is a multi-faceted and sometimes mysterious service.  To remove some of the mystery & hopefully provide a bit of clarity to MAD here are the cliff notes version of what it actually does. Initialization and Tasks Read More

Terry mentioned this in his post earlier this week, but I think this video is so cool that I want to call it out separately. This is from the SteveB keynote at Tech-Ed and shows off some of the kickass new mobility features in Exchange 2003 SP2, Direct Read More

(or, The Design of Exchange Direct Push in Exchange 2003 SP2) Background I bought my first cell phone in the summer of 2000 – the venerable Nokia 5160.  With the attendant giddy excitement of a new consumer electronics purchase, I started adding Read More

Hi, I’ve hopefully met many of you at TechEd, IT Forum, or another Exchange community event – but if not, I hope to meet you there soon and I’ll introduce myself now to get it out of the way. I’m the General Manager of the Exchange product team. I’ve Read More

I wanted to make sure you all knew about this little bit of information, buried in the page and the FAQ about Exchange 2003 SP2: Q. Did the storage limit change? A. Based on feedback from customers like you and because of the evolution of e-mail Read More

One question we often get asked when talking to customers contemplating an Exchange upgrade or a switch from a competitor’s mail system is, "how many users per server can Exchange handle?" Nowadays, that’s an open question - it very much depends on what Read More