Microsoft Teams External Sharing with Anyone

_ReadMe.md

_ReadMe.md

Troubleshooting

Run these commands individually if you are having trouble running the PowerShell scripts.

1. Download SharePoint Online management Shell: https://www.microsoft.com/en-us/download/details.aspx?id=35588

2. SharePoint Online Client Components SDK: https://www.microsoft.com/en-nz/download/details.aspx?id=42038

3. Opening the PowerShell Console using "Run as Administrator"

4. Check and set your Execution Policy

   Get-ExecutionPolicy;
   Set-ExecutionPolicy Unrestricted -Force;
   

5. Install the PnP PowerShell modules https://github.com/SharePoint/PnP-PowerShell or look at: https://www.powershellgallery.com/packages/SharePointPnPPowerShellOnline/

   Install-Module SharePointPnPPowerShellOnline -AllowClobber;
   Update-Module SharePointPnPPowerShell*;
   Get-Module SharePointPnPPowerShell* -ListAvailable | Select-Object Name,Version | Sort-Object Version -Descending;
   

Uninstall PnP PowerShell modules

Use this Command to see multiple versions and only want one...

Uninstall-Module SharePointPnPPowerShellOnline -AllVersions -Confirm;
Get-Command -Module *PnP*;

Confirm PS Version

Run to confirm PS Version

$PSVersionTable.PSVersion;

ModernSiteSettings.ps1

# ======================================================================================================
# .\ModernSiteSettings.ps1
# ------------------------------------------------------------------------------------------------------
# Modified by:		Siôn Lewis
# Modified Date:	10/06/2018
# ------------------------------------------------------------------------------------------------------
# https://docs.microsoft.com/en-us/powershell/module/sharepoint-online/set-sposite?view=sharepoint-ps
# https://docs.microsoft.com/en-us/powershell/module/sharepoint-pnp/set-pnptenant?view=sharepoint-ps
# ------------------------------------------------------------------------------------------------------
# Trouble shooting: _ReadMe.md
# ======================================================================================================
<# 
  cd "C:\Users\user.name\Desktop\";
  .\ModernSiteSettings.ps1 -tenantAdminUrl "https://tenant-admin.sharepoint.com" -siteCollectionAdminUId "[email protected]";
#>
# ======================================================================================================

Param(
  [string]$tenantAdminUrl,
	[string]$siteCollectionAdminUId,
  [string]$modernSiteUrl
)


# --------------------------------------------
# Helper Functions
# --------------------------------------------

function PromtForYesNo([string]$Message) {
	$Prompt = Read-host ("{0} Y|N" -f $Message);
	switch ($Prompt) {
		Y { return $true; }
		N { return $false; }
		Default { PromtForYesNo -Message $Message; }
	}
}


# --------------------------------------------
# Main Functions
# --------------------------------------------

#
# Set-SPOSharingCapability -TenantAdmCreds $tenantAdmCreds -TenantAdminUrl $tenantAdminUrl -SiteUrl "https://tenant.sharepoint.com/sites/ExternalSharing" -SharingCapability ExternalUserAndGuestSharing;
# ------------------------------------------------------------------------------------------------------
# Determines what level of sharing is available for the site. The possible values are: 
# - ExistingExternalUserSharingOnly - (DEFAULT) Allow sharing only with the external users that already exist in your organization’s directory.
# - Disabled                        - External user sharing (share by email) and guest link sharing are both disabled.
# - ExternalUserSharingOnly         - External user sharing (share by email) is enabled, but guest link sharing is disabled.
# - ExternalUserAndGuestSharing     - External user sharing (share by email) and guest link sharing are both enabled.
#
function Set-SPOSharingCapability([object]$TenantAdmCreds, [string]$TenantAdminUrl, [string]$SiteUrl, [string]$SharingCapability) {
  # Connect to SharePoint Online (not using PnP).
  Connect-SPOService -url $TenantAdminUrl -credential $TenantAdmCreds;

  # Enable External User and Guest Sharing on that chosen Site Collection.
  Set-SPOSite -Identity $SiteUrl -SharingCapability $SharingCapability;

  # Disconnect from SharePoint Online (not using PnP).
  Disconnect-SPOService;

  # Now check your work (refresh the page/site collection).
  $yesNoMsgOpenSite = ("Open the Microsoft Team Site '{0}'?" -f $SiteUrl);
  $responseOpenSite = PromtForYesNo -Message $yesNoMsgOpenSite;         
  if ($responseOpenSite) {
    Start-Process -FilePath Chrome -ArgumentList $SiteUrl;
  }
}

#
# Set-SharingCapability -TenantAdmCreds $tenantAdmCreds -TenantAdminUrl $tenantAdminUrl -SiteUrl "https://tenant.sharepoint.com/sites/ExternalSharing" -SharingCapability ExternalUserAndGuestSharing;
# ------------------------------------------------------------------------------------------------------
# Determines what level of sharing is available for the site. The possible values are: 
# - ExistingExternalUserSharingOnly - (DEFAULT) Allow sharing only with the external users that already exist in your organization’s directory.
# - Disabled                        - External user sharing (share by email) and guest link sharing are both disabled.
# - ExternalUserSharingOnly         - External user sharing (share by email) is enabled, but guest link sharing is disabled.
# - ExternalUserAndGuestSharing     - External user sharing (share by email) and guest link sharing are both enabled.
#
function Set-SharingCapability([object]$TenantAdmCreds, [string]$TenantAdminUrl, [string]$SiteUrl, [string]$SharingCapability) {
  # Connect to SharePoint Online (using PnP).
  Connect-PnPOnline –Url $TenantAdminUrl -credential $TenantAdmCreds;

  # Enable External User and Guest Sharing on that chosen Site Collection.
  Set-PnPTenantSite -Url $SiteUrl -Sharing $SharingCapability;

  # Disconnect from SharePoint Online (using PnP).
  Disconnect-PnPOnline;

  # Now check your work (refresh the page/site collection).
  $yesNoMsgOpenSite = ("Open the Microsoft Team Site '{0}'?" -f $SiteUrl);
  $responseOpenSite = PromtForYesNo -Message $yesNoMsgOpenSite;         
  if ($responseOpenSite) {
    Start-Process -FilePath Chrome -ArgumentList $SiteUrl;
  }
}


# --------------------------------------------
# Initialisation Code
# --------------------------------------------

[object]$tenantAdmCreds = Get-Credential -UserName $siteCollectionAdminUId -Message "Please enter Site Collection Admin credentials";

# Enable Anyone (anonymous access).
Set-SharingCapability -TenantAdmCreds $tenantAdmCreds -TenantAdminUrl $tenantAdminUrl -SiteUrl "https://tenant.sharepoint.com/sites/ExternalSharing" -SharingCapability ExternalUserAndGuestSharing;

# Disable Anyone (anonymous access).
#Set-SharingCapability -TenantAdmCreds $tenantAdmCreds -TenantAdminUrl $tenantAdminUrl -SiteUrl "https://tenant.sharepoint.com/sites/ExternalSharing" -SharingCapability ExistingExternalUserSharingOnly;