MS Teams not installed with Office updates after disabling block in GPO

Question

MS Teams not installed with Office updates after disabling block in GPO

Oleg Kazak 31

A while back we have disabled Teams installation with Office install/update using GPO: Configuration > Policies > Administrative Templates > Microsoft Office 2016 (Machine) > Updates - Don't install Microsoft Teams with new installations or updates of Office

This worked and Teams was not installed automatically anymore. Now we want to remove this block. So for testing i created a higher priority GPO and changed this option to Disabled. Applied this GPO to my test machine and it shows in gpresult, that this setting is now Disabled instead of Enabled.

I have also uninstalled Teams from my test laptop (both user and machine wide install).

I have since checked for updates and updated Office a few times. I was expecting Teams to be installed now when Office does updates. But it is not. So i wonder why and if it is expected. Maybe it only does this once and if you have removed Teams it is not trying to install it again? Or maybe this only happens for new users?

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Answer 1

Sharon Zhao-MSFT 25,761 Microsoft External Staff

@Oleg Kazak ,

Maybe it only does this once and if you have removed Teams it is not trying to install it again? Or maybe this only happens for new users?

No. As I know, only MSI-based installer will be installed when a user signs into a new Windows User Profile.

After you applied the new GPO, you should restart the client machine or run gpupdate /force to take effect. Meanwhile, make sure you are installing or updating to Version 1905 or later of Microsoft 365 Apps.

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Oleg Kazak 31 Reputation points

2021-04-28T07:36:15.017+00:00

From our experience before we set this GPO to block installs it would install msi machine wide installer and then when user logs in it installs into user's AppData (because we had a lot of stale Teams installs in AppData of users as we were not using Teams before). We are on the latest version of Current channel, so it is 2103. I don't see msi version of Teams being installed when Office updates. I have said that gpresult shows new GPO setting being applied, so no need to run gpupdate anymore (and i already ran it and restarted machine dozens of times since GPO was applied).
Sharon Zhao-MSFT 25,761 Reputation points Microsoft External Staff

2021-04-30T05:36:26.4+00:00

@Oleg Kazak ,
If so, it should only happens for new users.
It recommends you test your scenario in new Windows User Profile firstly. Then, put into practice.
Oleg Kazak 31 Reputation points

2021-04-30T13:10:12.107+00:00

I want to know how this is supposed to work, not to guess. Yesterday i have done Online Repair to Office on my laptop and it did install Teams wide installer during that. But i have tried to repair on two more machines and it didn't do that. So it is unpredictable. I have also tried to login to one test PC with a user which never logged in before and it didn't get Teams. Because system wide installer is not being reinstalled when your update or repair Office.
Sharon Zhao-MSFT 25,761 Reputation points Microsoft External Staff

2021-05-05T09:24:54.713+00:00
@Oleg Kazak ,

It recommends you redeploy MSI as below:

Uninstall the Teams app installed for every user profile. For more information, see Uninstall Microsoft Teams.

Delete the directory recursively under %localappdata%\Microsoft\Teams.

Delete the HKEY_CURRENT_USER\Software\Microsoft\Office\Teams\PreventInstallationFromMsi registry value.

Redeploy the MSI package to that particular computer.

For more details, please read this section.
Oleg Kazak 31 Reputation points

2021-05-05T11:39:19.983+00:00

I don't have HKEY_CURRENT_USER\Software\Microsoft\Office\Teams\PreventInstallationFromMsi registry entry. And i already uninstalled both msi and localappdata Teams versions when i was testing new GPO setting. Also, i don't want to reinstall MSI version manually. I am testing if it would be installed automatically during Office update/repair when this GPO setting is not blocking installs.
Sharon Zhao-MSFT 25,761 Reputation points Microsoft External Staff

2021-05-07T10:14:52.31+00:00

@Oleg Kazak ,

I will further confirm this.

You could refer to the official claims as below now:
Oleg Kazak 31 Reputation points

2021-05-07T13:06:45.95+00:00

Is this from 2 years ago? This couldn't be truth anymore.
Sharon Zhao-MSFT 25,761 Reputation points Microsoft External Staff

2021-05-12T09:38:14.377+00:00

@Oleg Kazak

I think that your Teams installation problem isn’t related to GPO policy.

I tested in my lab. When a test machine applied GPO from disable install Teams to enable install Teams, the office online repair will install Teams wide installer. It needs to sign in a new Windows profile to trigger the Teams installation.

The office package is Microsoft 365 Apps for enterprise(version 16.0.13929.20296).

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MS Teams not installed with Office updates after disabling block in GPO

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