Personal Technical

Office 365: Cutover Migration | Lost Delegation on Mailboxes

I am posting this to help any of you who are looking to be proactive in your approach to migrate into Office 365 / Exchange Online Services. After migrating mailboxes info Office 365, you will noticed that under your recipient’s mailbox delegation all previous access levels have been removed. In fact they never came over […]

How-To Software Technical

Remove Dead Exchange Servers from Active Directory

Working with  my Exchange 2012 Hybrid configuration I into the following error: ERROR : Subtask NeedsConfiguration execution failed: Configure MRS Proxy Settings Execution of the Get-WebServicesVirtualDirectory cmdlet has thrown an exception. This may indicate invalid parameters in your hybrid configuration settings. The task wasn’t able to connect to IIS on the server ‘exchange’. Make sure […]

News Software Technical

Cumulative Update 6 for Exchange Server 2013

I’ve been working with the Microsoft team on several issues I have faced with my Exchange Hybrid deployment. Most recent issue: HCW Serialization Error Today I am informed that Cumulative Update 6 for Exchange Server 2013 was just released. Cumulative Update 6 for Microsoft Exchange Server 2013 was released on August 26, 2014. This cumulative update […]


Error: Subtask CheckPrereqs execution failed: Check Tenant Prerequisites

I needed to make a change to our Hybrid configuration when the following issue was encountered: Subtask CheckPrereqs execution failed: Check Tenant Prerequisites After multiple attempts to run this and troubleshooting. I find out that the issue was caused by recent changes to Exchange Online. The first KB informed me to remove an invalid certificate KB2772596 – The […]