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Cannot install Teams using .msi package

You probably want to install teams using GPO, and you actually Microsoft article about this:
https://docs.microsoft.com/en-us/microsoftteams/msi-deployment.

On this website there are msi packages of Teams. Unfortunately, when you want to install Teams using one of them, you encounter a problem, because Teams not starting, even if you can see installed program in the Programs and Features list.

Problem: cannot use .msi package of Teams
Solution: change .msi package by adding ACCEPT_EULA=1 property using Super Orca application.

All you need to do is to add a row ACCEPT_EULA with value of 1.


After that you can save and use changed msi package with the GPO installation package.
NOTE: you need to use user part of GPO, not the computer one, cause "installation" is made in the appdata user folder.

msExchHiddernFromAddressList is not synced to Office365

Situation:
You need to hide Exchange Online mailbox from address list and have AD synchronization in place, but no local Exchange. You then extend Active Directory schema by using local Exchange installation with setup.exe /prepareschema switch. Next, you are fire up refresh directory schema in AD Connect, and do full AD sync, and... No, msExchHiddenFromAddressList attribute is not syncing, even if it is set in AD account attributes and seen on AD Connect connector.
Solution: If you have made all the previous steps, then probably your AD account has mailnickname attribute not set

After fill it with proper data (alias), and do another AD Connect AD sync , you can  see your msExchHiddenFromAddressList synced at last.

Cannot install Skype For Business Online Powershell

If you trying to install "SkypeOnlinePowerShell.Exe", following guide on Microsoft site: https://docs.microsoft.com/en-us/skypeforbusiness/set-up-your-computer-for-windows-powershell/download-and-install-the-skype-for-business-online-connector,
and you are getting error about VC ++ minimum version 11.0.5727, you need to install EXACTLY this version, apart from your versions already installed on your system.
So, go to the below link and install it first:
http://download.microsoft.com/download/1/6/B/16B06F60-3B20-4FF2-B699-5E9B7962F9AE/vcredist_x64.exe
Then you should be able to install SkypeOnlinePowershell

HP Event notifier cannot start

Problem:
You cannot install HP Event Notifier on the Windows Server (2012+)
Solution:
First, you need to add SNMP Service feature to your server. Then to be sure it runs correctly, add localhost to allowed senders for SNMP packets:


Next, install HP providers, for example from this link:
https://support.hpe.com/hpsc/swd/public/detail?swItemId=MTX_c93c5f85ea0d471baddb6eadfe Then, run Event Notifier as an administrator:
After configuring, for sending test, run Test WBEM Events as an administrator.

If you encounter an error during sending test or tests are not sent do recipient, restart this service:
and the same with SNMP service

Remote Desktop Services deployment does not exist

When you are on the server and want to list active session using Get-RDUserSession command, you can see an error telling you that your have no RDS installed (even on RDS session broker), like the one below:

Don't be fooled by this - it shows only because you don't have enough privileges. Just run Powershell session as an administrator and bam! You can see desired list.


BTW: My small advice here - if you see PS errors, but you're sure, that cmd-let should work, check it with elevated privileges.