Following on from this post:Office 365 Migrations - What happens to Outlook Meetings with embedded Teams URLs? - Nero BlancoWe developed a tool to strip out Teams info from Calendar invites, so that new Teams info co...
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Uninstall Microsoft Teams cleanly
Teams Cache CleanerTry this one last time...Start PowerShell as Admin and run:Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope Processtaskkill /IM teams.exe /F /TGet-ChildItem -Path ([System.Environment]:...
Where do emails sent to the default Microsoft Teams email address go?
Where does the default Teams email go?When you first create a Microsoft Team it allocates an email address for the Team. That email address is built by the Display Name (with spaces and special characters remove...
Domino Routing Rules – Binary Tree Coexistence Solutions
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
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
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
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
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
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 […]
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Exchange PowerShell Quickstart – Part 2
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
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
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
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 […]
Exchange Cascaded Folder Permission
If you have ever done delegation in Lotus Notes and were then migrated to Outlook you would have noticed one big difference… cascaded permissions!!! We have asked Microsoft why Outlook permissions behave so differently to NTLM permissions but we haven’t had an answer. At the recent MEC a number of people were asking the same […]
Restoring a Disconnected Mailbox
in Exchange I came across an issue at a client where for reasons as yet unknown about 15 users across various servers/databases in a single DAG suddenly had their mailboxes disconnected and a new one created. Now the mailboxes had different GUIDs of course, but they had the same LegacyExchangeDN and the users were now […]