MicrosoftMicrosoft Office 365Microsoft TeamsPowershell

How to Manage Guest Access in Microsoft Teams with PowerShell: A Comprehensive Guide

Introduction

Guest access in Microsoft Teams offers a secure way to collaborate with external partners, clients, and other individuals outside your organization. PowerShell provides granular control over these guest access settings, empowering administrators to tailor permissions efficiently.

Prerequisites

  • Basic understanding of Microsoft Teams administration
  • Familiarity with PowerShell scripting
  • Access to Microsoft Teams admin center

Finding Your Team ID

There are a few ways to get the Team ID in Microsoft Teams:

Through the Teams Admin Center:

  1. Navigate to the Teams admin center.
  2. Click Teams -> Manage Teams.
  3. Find the team you’re interested in and copy the corresponding ID.

Using Graph Explorer:

  1. Go to Microsoft Graph Explorer (https://developer.microsoft.com/en-us/graph/graph-explorer).
  2. Sign in and run the query /groups?$filter=resourceProvisioningOptions/Any(x:x eq 'Team') to get a list of teams and their IDs.
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Enabling or Disabling Guest Access for a Team

1: Install the Teams Module:

Install-Module -Name MicrosoftTeams

2: Connect to Teams:

Connect-MicrosoftTeams

3: Manage Guest Access

1: Enable Guest Access:

Set-Team -GroupId "Team ID" -GuestAccessEnabled $true

2: Disable Guest Access:

Set-Team -GroupId "Team ID" -GuestAccessEnabled $false
  • Replace “Team ID” with the actual ID of your team.

Controlling Guest Permissions

PowerShell allows you to fine-tune what guests can and cannot do within a team:

Set-Team -GroupId "Team ID" -GuestSettings -AllowCreateUpdateChannels $false -AllowDeleteChannels $false
  • Modify the AllowCreateUpdateChannels and AllowDeleteChannels parameters to $true or $false as needed.
  • Explore other parameters within the Set-Team cmdlet to manage additional guest permissions.

Real-World Scenarios

  • Project-Specific Collaboration: Enable guest access on teams dedicated to projects involving external partners, and disable it once the project concludes.
  • Security & Compliance: Restrict guest permissions to specific actions (e.g., prevent channel creation/deletion) to maintain control and align with your organization’s security policies.

Important Considerations

Muhammad Faizan

Hi, My name is Muhammad Faizan and i have spent last 15 years working as System Administrator mainly with Microsoft Technologies. I am MCSE, MCTP, MCITP, certified professional. I love scripting and Powershell is the scripting language i am in love with.

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