As David mentioned on his blog yesterday: Today, our second Exchange ActiveSync licensee announced their upcoming device with direct Exchange Server connectivity: Motorola and their upcoming A780.  Of course Motorola has several Windows Mobile Read More

Pretty much anyone who has upgraded a 5.5 server to E2K has probably encountered the zombie user phenomenon.  Error log event 9551 is likely familiar.  The reason behind these errors has to do with what we did to Exchange security in Exchange Read More

As Chris mentioned on his blog - there is an update out for ExBPA.Config.xml, bringing it to version 1.6.0.1. Under most circumstances, ExBPA should auto-detect the new version of the rules file and prompt you to download. If this does not occur, you Read More

This post is the continuation of my VSAPI posts, but the first one that goes into troubleshooting. Please see part 1, part 2 and part 3 for architecture details. The VSAPI is relatively simple, however due to the complex interactions with Independent Read More

I mentioned in the previous blog post what the main components of the SRS are. Now, let’s go into how this thing works and how to troubleshoot it if needed!   1. Controlling Arbitration   When an Administrator introduces a new administrative Read More

This post provides a brief explanation of how the body of a message (HTML in particular) is handled by the different versions of Outlook (Outlook 97, Outlook 98, Outlook 2000, Outlook XP and Outlook 2003) and Exchange (Exchange 5.5, Exchange 2000, and Read More

This article is #3 in the VSAPI series. Please go here for part 1 or here for part 2 of the series! Background Scanning When VSAPI Background Scanning is enabled, a single thread running at THREAD_PRIORITY_BELOW_NORMAL is created per MDB on the system. Read More

The SRS is a service that makes possible the exchange of directory information between Exchange Server 5.5 Directory and the dissimilar Windows Active Directory. In mixed mode organizations, the SRS is necessary because Exchange 5.5 directory information Read More

We got a lot of great responses from you as IT Forum is approaching. In case that you have decided to attend since we first blogged about this, or in case you just haven’t responded yet, we are still looking for people. So - if you haven’t already Read More

A friend called me at home recently… he had bad Exchange issues and it all sounded very confusing. I pointed him to our data collection tools, had him run it and send me the .CAB file. After looking it all over I was able to figure out the problem pretty Read More

Once you’ve got the new edkmdb.h, you can take advantage of some new interfaces we’ve introduced: IExchangeManageStore3 and IExchangeManageStore4. First, some background.   IExchangeManageStore is a useful interface for managing an Exchange server Read More

With all the various public folder tools out there, it can be difficult to remember what tool works with what version of Exchange, and what the tool can be used for. Here's a summary. pfadmin 1.3Available at: ftp://ftp.microsoft.com/pss/tools/Exchange%20Support%20Tools/PFAdmin/Used Read More

Thanks to everyone whose posted questions and comments to my previous blog post!  Since I’ve had so many questions on calculating IO, I thought I’d go into a bit more. First, there are many ways to calculate the disk IO per user.   Read More

This is a part 2 of the AV API series - for part 1, please see here. On Access scanning takes place when the client initiates a request for an item. At the completion of the scanning process ptagVirusScanningStamp is updated reflecting the results of Read More