Mark England


Mark England is a senior solutions architect in HP's Americas Messaging Team. His focus is on complex messaging architecture and design. Mark is a frequent speaker at industry events and is a contributor to Exchange & Outlook Administrator and Windows IT Pro.

Top Exchange Design Considerations - 19 Dec 2006
When I'm creating or reviewing a company's Exchange Server design, I try to make sure that the plan adheres to four key architectural principles: simplicity, integration, cost, and efficiency.
Recovery Times in Database Design

If your restore process can restore 30GB per hour and the service level agreement (SLA) requires a database recovery time of 1 hour, then a database can be no larger than 30GB. If you're using traditional backup and restore software, many smaller databases might be needed to meet SLA restore times. However, if you use advanced backup and restore technology, such as Microsoft Volume ShadowCopy Services (VSS) or Snap technology, the technical implications can affect the database design.

More Exchange Design Considerations
This article rounds out the top 10 steps in building a solid Exchange organization.
Dedicate Your Servers When Necessary

One company, as part of its Exchange Server consolidation program, centralized many large Exchange servers into data centers. These servers were performing mailbox, public folder, and routing functions. Mail delivery and routing quickly slowed, and messaging service level agreements (SLAs) weren't being met. To resolve the problem, the company built an Exchange server and configured it to function as a dedicated bridgehead server. This configuration moved to the bridgehead server all the routing functions that the mailbox servers had been performing.

Top Exchange Design Considerations - 28 Nov 2005 6
Designing (or redesigning) an Exchange organization? Read these top 10 tips before you begin.
Using Ntdsutil to Defrag AD 2
When you need to perform an offline defragmentation of AD, Ntdsutil makes the job easy.
Lessons Learned - 24 Feb 2003
Mark England shares some of the lessons he learned from working with the Exchange Server Migration Wizard.
Migrating GroupWise Mail and Calendars
The Exchange Server Migration Wizard is a free tool that can help to ease your migration from GroupWise.
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