**TL;DR:**Automate creation of Teams-specific firewall rules to eliminate initial Windows Security Alerts during Teams call initiation.

Update-TeamsFWRules is a PowerShell script designed to automatically create optimized Windows Firewall rules for Microsoft Teams.
It is intended for deployment via Microsoft Intune or Scheduled Task, targeting seamless user experience by eliminating security prompts when users initiate Teams calls.

Modified from Microsoft script found at: https://docs.microsoft.com/en-us/microsoftteams/get-clients#sample-powershell-script

As well as community script fouund at: https://github.com/mardahl/MyScripts-iphase.dk/blob/master/Update-TeamsFWRules.ps1

• Creates inbound firewall rules specific to the currently logged-in user's Teams client.
• Supports force cleanup of pre-existing inconsistent firewall rules.
• Logs all major actions and errors to Event Viewer > Applications and Services Logs > Teams Firewall Rules.
• Designed for automation via Intune or Scheduled Tasks at user login.

• PowerShell 3.0 or newer
• Windows OS with Microsoft Teams Desktop Client installed
• Administrative privileges (Run as Administrator)
• Execute in SYSTEM context (recommended)

.\Update-TeamsFWRules.ps1 [-Force]