Office 2013 and Modern Auth

I’ve been working on a project recently where we’ve been running into some weird issues with Modern Authentication in general, and MFA specifically. It basically boils down to needing to understand two things: Office 2010 does not like Modern Auth at all; and, Office 2013 only really likes Modern Auth conditionally. Now, I know what … Read moreOffice 2013 and Modern Auth

Limit OneDrive Access from Non-managed Devices

Microsoft has recently released conditional access policies in Azure AD Premium / Intune that will allow you to restrict access to SharePoint and OneDrive from non-managed devices. While this feature is still in preview (expected to go GA by the end of the year), I believe it’ll go a long way to helping companies properly … Read moreLimit OneDrive Access from Non-managed Devices

MigrationPermanentException: Cannot find a recipient that has a mailbox GUID

Ran into the following error while attempting to offboard a mailbox (migrate it back on prem from Exchange Online): MigrationPermanentException: Cannot find a recipient that has mailbox GUID ‘xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxx’ This error is usually caused when a mailbox is created directly in the cloud (New – Office 365 Mailbox in Exchange console on prem). The Exchange … Read moreMigrationPermanentException: Cannot find a recipient that has a mailbox GUID

Exchange Online Hybrid: Fixing free/busy issues

Now, I’m just going to come out and say it – this is NOT the only fix for free/busy issues when configuring Exchange Online Hybrid with an on-prem Exchange server. If you’re reading this, then it’s more than likely that you (like me), have been reading countless TechNet articles, blog posts, forum posts, etc. Well, … Read moreExchange Online Hybrid: Fixing free/busy issues

Oops! Access to Azure Active Directory is not available

When trying to access the Azure AD admin portal from within Office 365 recently, I ran into the following error: Now, this shouldn’t be an actual problem, as Office 365 is built on the Azure AD identity platform, and clicking on the link to the admin portal should just work properly – but then *should* … Read moreOops! Access to Azure Active Directory is not available

Unable to connect to Exchange Online Shell

Access Denied (No soup for you!) I’ve been using this script to streamline my connection to the Exchange Online Shell, and it’s been working well for me – until recently when I ran into this weird “Access Denied” error: As you can imagine, I started out by troubleshooting issues with my account, trying to figure … Read moreUnable to connect to Exchange Online Shell

Understanding Office 365 ProPlus Servicing

How do updates work in this new paradigm? In my recent experience with deploying Office 365 Pro Plus, the methodology for deploying updates is still somewhat mystifying for most administrators – diagrams like this one don’t really help us to understand exactly how we want to (or should) apply updates: I mean, in theory it … Read moreUnderstanding Office 365 ProPlus Servicing

Accessing mail options on a resource mailbox

I ran into an issue recently where I needed to access the mail options on a resource mailbox, which of course has no license, and can’t be logged into directly. After a bit of looking around, I found I was able to access the mail options directly using the following URL:¬†https://outlook.office.com/owa/mailbox@domain.com/?path=/options/mail Just replace mailbox@domain.com with … Read moreAccessing mail options on a resource mailbox

Uniqueness violation. Property: SourceAnchor

I’ve run into this error in Azure AD Connect (DirSync), and I thought I’d share how I fixed it – as is often the case with sync errors, the solution is not always obvious and requires some digging! To start us off, this is what the error looks like: attributes associated with this object have … Read moreUniqueness violation. Property: SourceAnchor