Undocumented Features
Sign an exported certificate from an F5
I've run into this delightful scenario a few times--the network team generates CSRs and certificates...
Author: Aaron Guilmette Date: 04/06/2016
Using XML to Backup and Restore Office 365 Settings
Frequently, I am asked to make changes to a customer's environment. I'm a belt and suspenders kind...
Author: Aaron Guilmette Date: 03/01/2016
Customizing the Windows PowerShell Console
Another blog on customizing the PowerShell console? Really? Yes. This is actually what I use on a...
Author: Aaron Guilmette Date: 01/22/2016
Disconnect all PSTs from the Default Outlook Profile
Today, one of my consultant peers posed a problem to me: a customer wanted to import all PSTs into...
Author: Aaron Guilmette Date: 01/12/2016
Wipe Content from an Exchange Online Mailbox
This tool has been updated with new options. See...
Author: Aaron Guilmette Date: 01/09/2016
Add Office 365 Tenant Proxy Address to Exchange objects with Email Address Policy Disabled
If your organization is like a lot of them out there, you have mailbox users without the email...
Author: Aaron Guilmette Date: 12/09/2015
Finding Active Directory objects with Inheritance Disabled
From time to time, an issue that crops up during Exchange or Office 365 migrations is the dreaded...
Author: Aaron Guilmette Date: 12/03/2015
Removing a folder across OneDrive for Business sites
On a customer call a few weeks ago, I was asked if we could remove a specific folder across all (or...
Author: Aaron Guilmette Date: 11/30/2015
Reset AADSync or AADConnect Password Hash Sync Configuration
While troubleshooting a Password Hash Sync issue with a customer, I found myself needing to trigger...
Author: Aaron Guilmette Date: 11/18/2015
Office 365 PAC File
When we talk about Office 365 services with our customers, a lot of the discussion revolves around...
Author: Aaron Guilmette Date: 11/16/2015
Exchange 2013 Management Server for Office 365
For most of our large enterprise, commercial, and government customers, an Exchange hybrid...
Author: Aaron Guilmette Date: 11/02/2015
Add an Email Address Template to all Email Address Policies
So your company just bought another company. Or you're moving to Exchange Online. Or you registered...
Author: Aaron Guilmette Date: 10/15/2015
Bulk Upload Photos to Exchange Online
Ever since the advent of DirSync, you've been able to add a picture's binary content to the...
Author: Aaron Guilmette Date: 10/15/2015
Subscribe to the Office 365 URLs and IP Addresses RSS Feed in Outlook
From time to time, we update the URLs and IP addresses that our services use. This happens as a...
Author: Aaron Guilmette Date: 10/12/2015
Subscribe to the Office 365 Service Health Dashboard RSS Feed in Outlook
UPDATE We have deprecated the Service Health Dashboard RSS Feed. For service health updates, you...
Author: Aaron Guilmette Date: 10/12/2015
Switching from Federated to Cloud Auth (AD FS to Dirsync/AADSync + Password Hash Sync or Password Hash Sync Failover)
A few years ago, we released "DirSync with Password Hash Synchronization," and it was kind of an...
Author: Aaron Guilmette Date: 10/09/2015
Storing PowerShell Credentials in the local user registry
From time to time, it may be necessary to save credentials for automating some portion of a script...
Author: Aaron Guilmette Date: 10/01/2015
Configure Coexistence Mail Routing without a Secondary Routing Domain
Recently, I had to work with a customer whose existing mail host was (surprise) not excited to...
Author: Aaron Guilmette Date: 09/30/2015
Manually configure Outlook for Office 365
In case you ever need to configure Outlook for an Office 365 tenant that does not have...
Author: Aaron Guilmette Date: 05/13/2015
Cannot Migrate Mailboxes via third-party tools in synchronized environment
I happened to run into the same issue twice in one week--once with a large customer, and once with...
Author: Aaron Guilmette Date: 12/08/2014