Office 365 Captures Audit Records for Teams Compliance Items

Office 365 Audit Log Search

In one of those interesting (but possibly worthless) facts discovered about Office 365, we find that audit records are captured for Teams compliance records written into Exchange Online group mailboxes. The Search-UnifiedAuditLog cmdlet reveals details that we can interpret using some techniques explained in Chapter 21 of the Office 365 for IT Pros eBook.

Office 365 for IT Pros February 2019 Update Released

Office 365 for IT Pros

Update #11 for the Office 365 for IT Pros eBook is now available. Subscribers can download updated files from Gumroad or Amazon Kindle (depending on which version you bought) and benefit from the 16 updated chapters. ePublishing is the only way to keep up with the volume of changes in Office 365, and Office 365 for IT Pros is the only book that keeps up. But you know that anyway because you’re reading this site!

Who Will Lead Your Office 365 Deployment?

A recent Petri.com article set out the case that the technical lead for Office 365 deployments is best found in the ranks of people experienced with Exchange.The uphot was a flurry of tweets where people who worked with SharePoint and Skype explained their (strong) feelings on the matter. The upshot was an online debate to explore the attributes of people who lead successful Office 365 deployments. You can listen to a recording online.

Microsoft 365 Licensing, Yammer and Teams, Office DPIA, and Exchange

Office 365 changes all the time, which is good because it keeps the Office 365 for IT Pros writing team busy and happy. Discussions this week included Microsoft’s response to a Dutch DPIA, the effect large Teams have on Yammer, how Exchange Online validated a fix to a security problem, and graphics to help understand the components of the Microsoft 365 E3 and E5 plans.

It’s Now the Teams Admin Center… And Some New Teams Usage Reports

The Teams Admin Center has been renamed to remove any reference to Skype for Business Online. The console now includes a set of new Teams usage reports. The reports differ from what’s available in the Office 365 Admin Center and aren’t quite as powerful, but we can expect Microsoft to improve and refine these reports over time.

Azure Active Directory Still a Weakness for Office 365

The January 24-25 Azure Active Directory outage demonstrated once again how important AAD is to Office 365. Microsoft’s Post Incident Report tells us what happened to deprive 1% of the users in Europe of service. That doesn’t sound a lot, but you’d be mad if you were affected.

How to Use Search-Mailbox to Remove Items from Multiple Mailboxes

The Search-Mailbox cmdlet is a very powerful weapon for Exchange administrators. It has some quirks, but the Invoke-Command cmdlet helps us get around one, which is how to use a different search query for each mailbox processed in a set of mailboxes.

Microsoft Keeps on Increasing the Teams Membership Limit

Microsoft revealed that Teams now supports a membership limit of 25,000 members per team (March 2021). The new maximum will help large organizations like Accenture (the largest user of Teams). Even with the increased limit, Teams might not be the best choice for organization-wide communications for the largest companies. Yammer is still the Microsoft collaboration scalability champ.

Exchange Page Patching and Native Data Protection in Office 365

Some backup vendors think that corruption can lead to data loss within Office 365. The possibility exists, but the page patching mechanism for databases incorporated into Exchange Online DAGs makes corruption a lot less likely, especially when mailboxes are protected by four database copies and Exchange applies many other techniques to ensure the consistency of the databases.

New OWA Now Generally Available to Office 365 Tenants

The new version of OWA (sometimes called Outlook on the Web, or Outlook Web Access) is now generally available to all Office 365 tenants. Although the new OWA has some nice features, you might want to turn off the user choice (toggle) to move the new UI until you’ve had time to prepare the help desk, documentation, and that sort of thing.

Cloud App Security Alerts Flow into Office 365 Audit Log

Security alerts from Office 365 Cloud App Security now flow into the Office 365 Audit Log, which means that you can run the Search-UnifiedAuditLog to find the alerts. Unhappily, more work than should be needed is necessary to extract the interesting information from the alert records.

Exchange Online Transport Rule to Encrypt Sensitive Email

Microsoft has released details of an Exchange Online transport rule to encrypt outbound email containing sensitive data types like credit card numbers. The rule works (after fixing the PowerShell), but needs to be reviewed and possibly adjusted to meet the needs of Office 365 tenants.

Teams Compliance Records Focused on by New Report

A new report commissioned by Microsoft explains how Exchange Online and the Security and Compliance Center meet the electronic records requirements of regulatory bodies like the SEC and FINRA. Within the report, there’s some news about changes to the way that Office 365 handles Teams compliance records stored in Exchange Online. And after all that, we consider how some backup vendors treat Teams compliance records as equivalent to the data stored in the Teams Azure services.

Teams Growth Accelerates to 420,000 Organizations

According to Microsoft’s FY19 Q2 results released on January 30, Teams is now used by 420,000 organizations. That’s a strong growth rate over the 329,000 number given at Ignite 2018. And with Office 365 still growing, there’s plenty of room for Teams to expand.

Good and Bad Marketing (Technical) Blog Posts

The internet makes it easy to find material to read about technical topics. Unfortunately, a lot of content is rubbish. In this post, we compare two recent technical articles and explain why we think one marketing post is good and the other isn’t up to scratch.

Tuning PowerShell for Office 365 Group Membership

A recent article prompted a check to see whether a PowerShell recommendation made sense and delivered better performance when executing a command to extract the membership of Office 365 Groups performance. As it turns out, the recommendation is valid, but whether you notice any difference is arguable.

New OWA Maturing in Different Ways

The new version of OWA is maturing and new features are turning up on a weekly basis. You can now schedule a Teams meeting from OWA and the prospect of joyful animations hang in the air. But only for Office 365 users as there’s no sign that the new OWA will come to Exchange on-premises servers.

Office 365 for IT Pros January 2019 Update Released

January 21 2019 updates for the Office 365 for IT Pros eBook

Updated Files Office 365 for IT Pros Now Available The Office 365 for IT Pros writing team is thrilled to release the 10th update for the 2019 edition. Dated January 21, 2019, the updated files are now online and available on Gumroad.com (for subscribers who bought the EPUB and PDF versions) and Amazon (for those …

Office 365 Network Performance (POC) Tool

Microsoft’s new Network Performance Tool is a proof of concept for Office 365 tenants to check network connections to Microsoft’s network and Office 365. The tool might help you understand more about your connection into Microsoft, but it won’t fix any last mile problems.

How to Post Information to Microsoft 365 Groups or Teams Channels

It’s easy to create a webhook connector to post information to a team channel or an Microsoft 365 group. What might not be quite so easy is formatting the JSON payload. Here’s how to use a template card to simplify the process.

The Dangers of Cut and Paste Technology Coverage

We all make mistakes – it’s part of life. But it’s sad that so many web sites and blogs pick up and repeat mistakes found in press releases and other material. Life would be better if we had more time to consider what we publish, but the speed of the cloud sometimes makes time hard to find.

Service Domain Prefix Appears and Disappears in Exchange Online Cmdlets

A change made to fix a problem in Exchange Online introduced another problem in that service domains started to show up as prefixes in the data returned by PowerShell cmdlets. Microsoft has reversed the change, but the way things happened creates some questions.

Applying Autosignatures with Transport Rules

Office 365 tenants can use Exchange transport rules to apply autosignatures to outbound email, including messages protected with encryption. You can even include some properties of the sender extracted from Azure Active Directory, and you can add an exception so that the autosignature isn’t applied to replies.

Using Exchange Session Identifiers in Audit Log Records

Exchange Online now captures session identifiers in its mailbox and admin audit records that are ingested in the Office 365 audit log. That’s interesting and useful, but how do you access and interpret this information on a practical level?

How to Create Global Contacts in an Office 365 Tenant

You can use a public folder to store and share global email contacts, but a better approach is to use Exchange mail contacts. These objects show up in the Exchange GAL and OAB and are available to all Outlook clients (and some third-party clients too).