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How-To Technical

Office 365: Convert Mailbox to Shared Mailbox after Cutover Migration

When performing a cut-over migration the Exchange attribute indicating that the mailbox was a shared mailbox is lost. To correct this I have done the following steps: List out all of the shared mailboxes form my on-premises Exchange and export them into a CSV file. Get-Mailbox -ResultSize Unlimited -RecipientTypeDetails SharedMailbox | Select UserPrincipalName | Export-Csv […]

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How-To

Tech Short: Convert a Mailbox, Exchange 2013

Here are some steps that worked for me in converting a user mailbox to a shared mailbox. Info: You can convert the following mailboxes from one type to another User mailbox to resource mailbox Shared mailbox to user mailbox Shared mailbox to resource mailbox Resource mailbox to user mailbox Resource mailbox to shared mailbox Example reason […]

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Technical

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 – http://support.microsoft.com/kb/2772596 The […]

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News Technical

The Truth – Single Sign On with Outlook and Office 365

After many twists and turns on this bumpy road of setting up a Hybrid Deployment of Exchange Online with AD Sync and ADFS for SSO.  I am faced with yet another issue. Let me tell you what does work with the single sign on: Outlook via Web Access Office 365 Portal Office 365 SharePoint Office […]