The importance of –2147481594 in Exchange Hybrid with Office 365

  You have setup a hybrid between on-premises Microsoft Exchange and Office 365 (Exchange Online), but when you try and move a mailbox from on-premises to Office 365 it tells you that the mailbox already exists. What it is telling you is that the user has a mailbox on-premises and one in Office 365 (Exchange…


Outlook profile doesn’t resolve via Autodiscover for user mailbox moved to Office 365

  As you can imagine there are many reasons which could prevent Microsoft Outlook connecting to Office 365, most commonly because the Outlook software version is not patched to the minimum required level, or firewall / proxy issues. However in this article, I specifically wanted to cover scenarios that comes up which are related to…


Office 365 Pro Plus Fails to Update, or Fails with Error Code: 30088-27

[Update: this article was updated on 15 April 2014. As information about the second scenario has changed from an Office build issue, to a Office Deployment Tool issue] There are several reasons why your Office 365 Pro Plus might fail with the error, error code: 30088-27. However, in this article I point out one scenario…


Get-FederationInformation Fails to with Bad Gateway Error

Usually the easy part of Exchange Online hybrid setup, stumped me recently. During the Exchange Hybrid Configuration Wizard (HCW), the wizard attempts to retrieve federation information from Exchange Online, and in our case this kept failing. There are many reasons why this could happen, so in this article I hope to give you the understanding…


DirSync Configuration Fails with Unknown Error 0x80005000

During the configuration step of Azure Active Directory Sync (DirSync), you may encounter this error. This occurs when there is a connection issue between the DirSync server and a Domain Controller (DC) in the environment. During the configuration step, DirSync attempts to contact each domain in the AD Forest, and then attempts to grants rights…


Outlook takes several minutes to connect to Exchange Online (O365)

In the last few weeks, I have come across a few companies which are having slow Outlook connection issues to Exchange Online. There are many reasons why this could occur, but I want to focus on one of them for now. This is a scenario where after opening Outlook 2010 / 2013, it takes about…


DirSync Installation Doesn’t Finish on Windows Server 2012 R2

I recently had the pleasure of installing Azure Active Directory Sync (DirSync) on a Windows Server 2012 R2 server. Usually a pretty straight forward installation process, but something that caused an issue on Windows Server 2012 R2. First off, I don’t believe, at the time of writing this article, it is a supported configuration. Reading…


Better ALM for SharePoint Solutions with Team Foundation Server Event

Howdy, On the 29th of March 2012, Microsoft South Africa is hosting a free event to show you how to achieve better ALM for SharePoint solutions with Team Foundation Server. Have look here for more information and to register.   Michael


Riverbed and Akamai to Accelerate Office 365 Traffic to South Africa

Riverbed in conjunction with Akamai have announced a solution to reduce the required bandwidth for cloud services, including Office 365. Technically this model works in a similar fashion to how WAN accelerators reduce network traffic, but of course this will work between Microsoft’s Office 365 data centre’s and your premises. Obviously, from a South African…