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Ch-ch-ch-ch-changes!

It's been almost 2 years since I joined the Premier Field Engineering team here at Microsoft to support the HMC solution. A lot has changed since that day. We've seen a new version of Exchange roll out, and a new version of HMC to go along with it. Today Read More...
Posted Friday, February 08, 2008 9:02 PM by jasonjoh | 2 Comments

Exchange 2007 SP1 and HMC 4.0

Yes, Exchange 2007 SP1 is out . No, it has not been cleared with HMC 4.0 yet. At this point you should not install SP1. We are working on getting this tested and should have an update soon. Until then please be patient! I am pleased to announce that the Read More...
Posted Friday, November 30, 2007 10:48 AM by jasonjoh | 1 Comments

Making Sense of Patching HMC 4.0

Patching HMC has never been a fun process. Unlike most Microsoft products, HMC patches don't come in nice neat installer packages that can just be installed on top of your existing setup. This causes some consternation, since we're used to being able Read More...
Posted Thursday, November 29, 2007 10:24 AM by jasonjoh | 1 Comments

WSS 3.0 Security Fix causes Performance Issue for Hosters

I was notified this morning that a recently released security fix for WSS 3.0 has some severe performance issues for folks using host-header mode with a large number of sites (sound like anyone you know?). Read below for the official announcement: Important Read More...
Posted Wednesday, October 10, 2007 10:29 AM by jasonjoh | 1 Comments

Adding Users to WSS 3.0 Site in HMC 4.0 Exposes Users in All Organizations

If you followed our deployment guide to the letter, then chance are your WSS 3.0 setup isn't 100%. There's a big problem with the deployment guide for WSS that can break "multi-tenancy." Here's how you can check if you are broken and how you can fix the Read More...
Posted Tuesday, September 11, 2007 1:54 PM by jasonjoh | 2 Comments

Quick and Easy Ways to Break your Provisioning Engine

By now most people have discovered that installing Windows 2003 SP2 on your Provisioning Engine servers (MPS01 and MPS02 in the reference architecture) breaks provisioning completely . The problem is that SP2 includes some updates to the MSXML parser Read More...
Posted Thursday, August 30, 2007 10:54 AM by jasonjoh | 1 Comments

More than 1000 OAB's in Your HMC 3.5 Environment?

Have you seen any OAB's mysteriously disappear? Then you're going to want to check out this knowledge base article, then call support to get them to send you the hotfix. Users cannot download offline address books in Exchange Server 2003 when you use Read More...
Posted Thursday, May 31, 2007 8:48 PM by jasonjoh | 0 Comments

Problems changing password in the HMC Consolidated Sample Control Panel

A lot of folks have hit this apparently, so I wanted to share my findings and how to fix it. PROBLEM If a non-admin user logs in to the Sample Control Panel that comes with the HMC 3.5 Consolidated Server Deployment Guide (MPSSampleCP), they cannot change Read More...
Posted Thursday, June 29, 2006 10:33 AM by jasonjoh | 2 Comments

I'm Outta Here

Ok, not really, but I am moving to a new role here at Microsoft. I've been doing Messaging developer support for over 5 years now, and it's been great. The team I've worked with over the years is made up of some greatest folks I've ever met, and it was Read More...
Posted Friday, April 07, 2006 6:01 PM by jasonjoh | 1 Comments

Yet another IExchangeManageStore incarnation

Yep, that's right: IExchangeManageStore5 is upon us. And this is the coolest one yet! I'm intrigued...what does it do? The cool new feature in this interface is the ability to retrieve a mailbox table (or public folder table) that contains only mailboxes Read More...
Posted Wednesday, March 29, 2006 3:46 PM by jasonjoh | 3 Comments
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Outlook Account Management API Sample

Just a quick entry to post this sample. A few folks have had trouble getting the Account Management API to work correctly. This is a simple sample I wrote to enumerate the accounts in a profile that hopefully will help. Download it here . Read More...
Posted Tuesday, December 27, 2005 1:37 PM by jasonjoh | 2 Comments
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CreateMHTMLBody Won't Read Web Pages Compressed with GZIP

The title says it all. If you've got a web page hosted on a site that does GZIP compression, you can't point CDO's CreateMHTMLBody at it. You'll get back one of a few different errors, depending on your IE setup. The ones I've seen are (with IE 6.0 SP1 Read More...
Posted Thursday, December 08, 2005 4:43 PM by jasonjoh | 1 Comments
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New Sample Transport Provider

I've been working with MAPI for over 5 years now. In that 5 years I've supported my share of developers writing their own MAPI providers (message store, transport, address book), but I've never actually sat down and written one myself. Until now ;-) I Read More...
Posted Friday, November 04, 2005 3:37 PM by jasonjoh | 4 Comments
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Subject Sorting in Outlook

I just recently worked through an issue where messages in a custom message store would not sort on the Subject field. Other text properties sorted fine, just not Subject. The problem was because Outlook doesn't sort the Subject field on PR_SUBJECT. It Read More...
Posted Wednesday, September 07, 2005 2:19 PM by jasonjoh | 0 Comments
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PR_MAPPING_SIGNATURE and custom message stores

I was pulled into a neat little issue with a custom message store that didn't behave correctly with appointments in Outlook. It seems that everything was created fine, and Outlook set all of the named properties correctly on appointments. The custom store Read More...
Posted Wednesday, January 05, 2005 1:02 PM by jasonjoh | 0 Comments
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