<div>
when you roll out Teams client to end user.. include the steps to ignore the warning for now on the communication mailer.. <br />
<br />
You can create a Net firewall rule to avoid that prompt.. <br />
<br />
I will share additional details after validation
</div>


when you roll out Teams client to end user.. include the steps to ignore the warning for now on the communication mailer..

You can create a Net firewall rule to avoid that prompt..

I will share additional details after validation

<div>
yes, but I need to apply for 3000 users or pcs in active directory for that I think via gpo.<br />
I am waiting your solution <br />
thanks
</div>


yes, but I need to apply for 3000 users or pcs in active directory for that I think via gpo.
I am waiting your solution
thanks

DRRAM

<div>
Hope you are able to make it work.. Need any other assistance on this ?
</div>


Hope you are able to make it work.. Need any other assistance on this ?

<div>
<div class="content wysiwyg-content">
Hello,<br />
<br />
Please do you have a method via GPO or key registry &nbsp;to allow the message (attached).<br />
<br />
Thx for your help.<br />
<a href="https://filedb.experts-exchange.com/incoming/2019/10_w43/1434812/C--teams.PNG" target="_blank" class="file-inline" title="C--teams.PNG (174 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>C--teams.PNG</a>
</div>
</div>


C--teams.PNG

Hello,

Please do you have a method via GPO or key registry  to allow the message (attached).

Thx for your help.

allow teams

Software firewalls, also known as host-based firewalls, provide a layer of software on one host that controls network traffic in and out of that single machine. Most operating systems now include firewall software, but many available software firewalls include central distribution, antivirus systems and disaster recovery.

Software Firewalls

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.