Microsoft Teams support coming to AutoUpdate in March

Paul Bowden announced last week that AutoUpdate will officially begin handling Microsoft Teams with the release of MAU 4.45 on March 15, 2022.

“We’ve done a lot of analysis with various Teams builds … and we see quite a lot of segmentation because of the way the Teams built-in updater works right now, and that’s the reason why we’re switching over to MAU,” Bowden said.

“The good impact is that you’ll see a lot more consistency with your Teams versions out there. MAU will fully support not updating Teams while you’re in the middle of a conference call and all the good stuff like that.”

If you are defining an app array in your configuration profile for MAU or using MAUCacheAdmin there are a few things you’ll need to change. Read on for the details.

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Control the CUPS web interface with a Munki NoPkg

Back in September 2021 a colleague on the MacAdmins Slack was looking for a way to programmatically enable the CUPS web interface on macOS. I had recently completed my article “Allow standard users to manage printers with a Munki NoPkg” and realized I could easily adapt it to handle this task.

This isn’t something I use in production but read on for the details if you think it could be helpful in your environment.

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Cleanup options added to MAUCacheAdmin

Microsoft AutoUpdate 4For years I have been manually cleaning up old packages on my Microsoft AutoUpdate caching server. Since I was having to manually move around collateral files for the Manifest Server component each month it wasn’t much extra work.

However now that I have switched from a custom Manifest Server to Microsoft’s official curated deferral channels, I wanted to configure my caching server to be completely hands-off.

Spurred on by a request on GitHub I decided to finally write some code to automate the cleanup process. The changes were merged into MAUCacheAdmin back on November 30. Read on for the details.

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Configure MunkiReport groups with a Munki NoPkg

Historically I have always configured our MunkiReport Machine Groups with a configuration profile delivered via Munki. However starting with macOS Big Sur, the ability to manage profiles from the command line was removed meaning Munki can no longer install or remove them.

One option would have been to move these configuration profiles to our MDM as I did for our other profiles. However I didn’t want to duplicate the effort of managing computer group assignments in both Munki and MDM.

Since maintaining groups in Munki to aid in software deployments is still required, I decided to use NoPkgs to configure our MunkiReport Machine Groups. This way they will be automatically changed whenever a computer gets moved to a different group (via included manifest). Read on for the details.

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MacAdmins Podcast, Episode 240

A few months ago I was invited to be a guest on the MacAdmins Podcast to talk with the crew about Apple Business Manager. I’ve been listening to “the pod” for years so I was honored to be asked.

October is busy with playoff baseball but the scheduling worked out and we recorded on the ALCS travel day after Game 2. So of course we talked about baseball photography a little as well.

It was my first time as a podcast guest but Tom, Charles and Marcus made it easy plus James did a great job editing out my flubs!

macOS Monterey was released between when we recorded and when it published this morning, so some of the new features we talk about as “coming soon” are now available. MacAdmins finally have the ability to add off-the-shelf Macs purchased at retail into ABM using the new Configurator for iOS app!

Hopefully we answered some questions, shed some light on potential pitfalls and provided helpful information for anyone who uses ABM or needs to set it up for the first time.

If you don’t already subscribe to the podcast head on over to the site to listen:
MacAdmins Podcast, Episode 240: Kevin M. Cox on AxM

Microsoft now provides curated deferral channels for AutoUpdate

Microsoft’s Paul Bowden announced on Tuesday at Virtual JNUC 2021 that the company is now providing additional update channels that support deferring updates for periods of time and even pausing updates on specific versions of Microsoft Office for Mac.

While these new options were announced at JNUC and Jamf Pro has native support for configuring them, MacAdmins who use a different MDM can also utilize them with custom configuration profiles right away.

I reached out to Paul for more details and clarification on these exciting new options. Read on for the details.

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MAUCacheAdmin has been updated to version 3.0

MAUCacheAdmin was updated to version 3.0 this afternoon to account for a change in the CDN infrastructure that serves Microsoft Office for Mac updates. As was reported in the #microsoft-autoupdate channel of the MacAdmins Slack yesterday, version 2.9 was marking every package as corrupt and re-downloading them all on each run.

From Paul Bowden’s commit notes:

In the October 2021 update, Microsoft moved to a new CDN namespace (officecdnmac.microsoft.com) which supports HTTP/2

However, the previous version of MAUCacheAdmin relied on the HTTP/1.1 ‘Content-Length’ header – which is all lowercase in HTTP/2

So:
1. Changed awk search to grep -i as it’s still possible for the new CDN to emit a HTTP/1.1 response in some cases
2. Changed main URL definitions to new namespace of officecdnmac.microsoft.com

Also fixed up a few other problems:
* Removed MAU 3.x definition
* Added 365/2021 to existing 2019 title (visual change only)
* Updated copyright year

MacAdmins who run a MAU Manifest and/or Caching server should update to the latest version of the code to prevent these looping downloads.

Office 2021 information for MacAdmins

On Sept. 16, Microsoft released Office LTSC for Mac 2021 to commercial customers ahead of the October 5 launch to general consumers. LTSC, or Long Term Servicing Channel, is the new official name of Office for customers with a perpetual Volume License.

If your company has Office 365 subscription licenses you can stop reading here. Nothing changes for you and your users will always have the latest features as soon as they are released. However if you deploy the Volume Serializer keep reading for what’s new.

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Allow standard users to manage printers with a Munki NoPkg

Employees at our company all use Standard (non-admin) accounts on macOS and install printers via Managed Software Center. By default this only gives them the ability to install and uninstall in MSC, but not manage queues or add personal printers at home in System Preferences.

Thankfully a simple command that can be run to allow standard users to have that ability has been around for years:

dseditgroup -o edit -n /Local/Default -a staff -t group _lpadmin

(Variations of this script posted around the web include using everyone instead of staff and lpadmin instead of _lpadmin.)

In the past I have always enabled this feature with a payload-free package. However that didn’t present a way to confirm the setting is still active or provide an easy way to reverse it.

To solve those issues I decided to convert it to a Munki NoPkg with logic to do both.

Read on for the details:

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Installing AirPrinters “offline”

In my last post, AirPrint Generator, I noted that one of the potential issues with programmatically installing AirPrinters is that the client computer needs to be able to actively communicate with the printer at the time of installation. This quickly came up in discussion on the MacAdmins Slack.

As I outlined there, we can work around this by generating the AirPrint PPDs and Icons, packaging them up and deploying them to the client computers ahead of time.

This method presents several advantages, read on for the details.

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