USN Rollbacks and Active Directory Replication Issues

I recently worked on an interesting issue where certain Distribution Groups (DGs) in the Active Directory (AD) were not replicating properly with the Exchange 5.5 Directory Service (DS).  After adding several members to a DG in the AD, the changes did not replicate to the 5.5 server.  One particularly problematic DG, lets call it Execs,…


How Daylight Savings Time Date Changes affect Scheduling in Outlook Client

Some countries like Chile, Brazil and Israel adopt a variable Daylight Saving Time dates (DST). The initial and end dates change every year following the government decision.   As a result, users in these countries experience inconvenience with their Outlook meetings and appointments being off by one hour. Every year, we receive numerous calls from…


Introducing the Exchange Solution Reviewed Program (ESRP) – Storage

The Exchange Solution Reviewed Program – Storage (ESRP) is a Microsoft Exchange Server program designed to facilitate third party storage testing and solution publishing for Exchange Server.  The program combines a storage testing harness (Jetstress) with solution publishing guidelines.  Microsoft Gold Certified or Certified Storage Partners can use the ESRP framework provided to test their…


Nicolas Souza’s Biography

Currently I am a Partner Tech Lead for Latin America. I joined Microsoft in December 1998 and have acted in the following capacities, Technical Account Manager, Support Engineer and Tech Lead. Before Microsoft I worked for a certified partner in Brazil as trainer, consultant, support engineer and project manager. My experience with Microsoft message products…


Nicolas Souza’s Bio

Currently I am a Partner Tech Lead for Latin America. I joined Microsoft in December 1998 and have acted in the following capacities, Technical Account Manager, Support Engineer and Tech Lead. Before Microsoft I worked for a certified partner in Brazil as trainer, consultant, support engineer and project manager. My experience with Microsoft message products…


David Espinoza’s Biography

David Espinoza is a Program Manager for the Exchange Technology Adoption Program (TAP). The goal of the TAP program is to work closely with a set of customers to help test, deploy, and provide the product team feedback on Exchange Server throughout the product development cycle. Outside of the TAP program Dave has review Books…


x64 bit hardware will run Exchange 2003 on 32 bit Windows

It seems we have some badly worded docs on some Microsoft sites that may lead you to believe that you cannot run Exchange 2003 on x64 bit systems. Also the release notes seem to be in error as well. Let me assure you that this information is incorrect and is being corrected.   You can…


David Espinoza’s Bio

David Espinoza is a Program Manager for the Exchange Technology Adoption Program (TAP). The goal of the TAP program is to work closely with a set of customers to help test, deploy, and provide the product team feedback on Exchange Server throughout the product development cycle.  Outside of the TAP program Dave has review Books…


Exchange 2000/2003 Front End Server Logon Process

Working in Support Services, I get to explain this subject a lot, so I thought I’d share it here too. This blog post will explain what the flow of the client access a BE server through a FE server looks like, including access to domain controllers that has to happen as part of this process….