Blog

Least access model

11th April, 2015

for Lotus Notes to Exchange data migrations In many organisations to achieve accessing mail data for a migration you add the Lotus Notes Migration ID to the administrators group of the domain(s). However, when requesting 3rd party trusted migration experts like Nero Blanco to perform the migration, you may not like the exposure to data […]

Exchange Global Address List and the Outlook Offline Address Book

2nd April, 2015

Introduction   This document seeks to address and clarify the small misunderstanding surrounding the GAL (Global Address List) and the OAB (Offline Address Book). Quite often all Administrators, even Exchange Administrators simply refer to the users they see in the Address section of Outlook casually as the GAL for ease of reference, but really more […]

Domino Routing Rules – Binary Tree Coexistence Solutions

27th March, 2015

Exchange to Domino Routing Rules specifically relating to Binary Tree Coexistence Solutions Introduction This document seeks to identify the potential pitfalls of Inbound SMTP routing to Domino in a Coexistence environment, particularly when using a static targetAddress that is built by a Directory Synchronisation solution. Routing from Exchange/Office 365 to Domino In a Binary Tree […]

OABGen encountered file error ffffffff

20th March, 2015

The problem started with users reporting that their Offline Address Book (OAB) was missing some recent new starters, actually they said Global Address List (GAL) but that misconception is another story for another day.  Upon investigation it seemed that the issue was a global issue.  So where to start…  I first thought right let’s think through […]

Exchange PowerShell Quickstart – Bonus

5th December, 2014

Over the past 5 episodes we have been covering all sorts of aspects of Exchange PowerShell fundamentals.  This week I want to give just a few extra hints and tips as you step into the brave world of Exchange PowerShell. Hint 1: Don’t abbreviate Abbreviation is fine when writing directly at the command line, since […]

Exchange PowerShell Quickstart – Part 5

28th November, 2014

Over the past four parts we have covered connecting to Exchange and discovering cmdlets in part 1. We explored the pipeline in part 2 followed by hash tables, arrays and variables in part 3, and flow control in terms of conditional and iterative processing in part 4. This week we are going to cover different […]

Exchange PowerShell Quickstart – Part 4

21st November, 2014

Over the past three parts we have covered connecting to Exchange and discovering cmdlets in part 1. We explored the pipeline in part 2 followed by hash tables, arrays and variables in part 3. This week we’re covering flow control in terms of conditional and iterative processing. We covered where (?) and foreach (%) as […]

Exchange PowerShell Quickstart – Part 3

31st October, 2014

Over the past two weeks we have covered connecting to Exchange and discovering cmdlets in part 1, and we explored the pipeline in part 2. This week we will be talking about hash tables, arrays and variables. Hash Tables The easiest way to picture a hash table is a list of attributes and their respective […]

Exchange PowerShell Quickstart – Part 2

24th October, 2014

Last week in part 1 we looked at the background on PowerShell, explored terminology and some basic commands. This week we are going to see how we combine commands together on the command line via ‘the pipeline’ The Pipeline The pipeline is just a single line of PowerShell with one or more | (pipe character) […]

Exchange PowerShell Quickstart – Part 1

17th October, 2014

Background As we know Microsoft is firmly banking on PowerShell to be THE way to manage all of their operating systems and services, and with good reason. PowerShell is the most powerful method Microsoft has developed to manage their products. The concepts are similar to Unix style shells but it is a little more easily […]

Cross forest in Exchange

3rd October, 2014

How to open a mailbox cross forest in Exchange We often migrate users between Exchange organisations/forests, or need to add coexistence between two or more Exchange organisations and forests.  The basic set up for coexistence includes the following: Network coexistence DNS coexistence AD Trust Autodiscover coexistence Synchronisation of GAL objects Accepted Domains Remote Domains Mail […]

Factors affecting Migration velocity

26th September, 2014

After a lot of experience in the field I’ve tried to bring together a bunch of items to consider when embarking on a Microsoft transformation. This blog is really directed at the Migration side of such a project, however many items are shared with coexistence.   The list may seem quite large, but in actual […]