使用 PowerShell 腳本變更資訊屏障模式

使用此 PowerShell 腳本來更新租使用者中所有 Teams 連線群組的資訊屏障 (IB) 模式。 您必須在部署資訊屏障之後更新這些群組的模式。 在啟用 IB 之前建立的群組會獲指派 [開啟 ] 模式。 在 開放 模式下，沒有任何適用的 IB 政策。 啟用 IB 之後， 隱含會 成為您建立的任何新群組的預設模式。 不過，現有群組仍會保留 開放 模式設定。 執行此指令碼，將這些現有群組變更為 隱含 模式。

在此腳本中，您會使用 Exchange Online PowerShell 模組中的 Get-UnifiedGroup Cmdlet 來更新模式。 若要深入瞭解如何使用 PowerShell 管理 Teams，請參閱 Teams PowerShell 概觀。

指令碼範例

若要執行此腳本，請使用具有租使用者全域系統管理員角色的公司或學校帳戶。

<#
.SYNOPSIS
This script updates the information barrier mode for all Teams-connected groups in your tenant at the same time.
.DESCRIPTION
Use this script to update the info barrier mode from open to implicit across the groups in your tenant.
#>

$teams = Get-UnifiedGroup -Filter {ResourceProvisioningOptions -eq "Team"} -ResultSize Unlimited

Write-Output ([string]::Format("Number of Teams = {0}", @($teams).Length))

$teamsToUpdate = New-Object System.Collections.ArrayList

foreach($team in $teams)
{
  if ($team.InformationBarrierMode -eq "Open")
  {
    $teamsToUpdate.Add($team.ExternalDirectoryObjectId) | out-null
  }
}

Write-Output ([string]::Format("Number of Teams to be backfilled = {0}", @($teamsToUpdate).Length))

$outfile = "BackfillFailedTeams.csv"

if (!(Test-Path "$outfile"))
{
  $newcsv = {} | Select "ExternalDirectoryObjectId", "ExceptionDetails" | Export-Csv $outfile -NoTypeInformation  
}
else
{
  $dateTime = Get-Date
  $newEntry = "{0},{1}" -f "New session started", $dateTime
  $newEntry | add-content $outfile
}

$SuccessfullyBackfilledGroup = 0

for($i = 0; $i -lt @($teamsToUpdate).Length; $i++)
{
  Invoke-Command { Set-UnifiedGroup $teamsToUpdate[$i] -InformationBarrierMode "Implicit" } -ErrorVariable ErrorOutput

  if ($ErrorOutput)
  {
    # saving the errors in a csv file
    $errorBody = $ErrorOutput[0].ToString() -replace "`n"," " -replace "`r"," " -replace ",", " "
    $newEntry = "{0},{1}" -f $teamsToUpdate[$i].ToString(), '"' + $errorBody + '"'
    $newEntry | add-content $outfile
  }
  else
  {
    $SuccessfullyBackfilledGroup++
  }

  if (($i+1) % 100 -eq 0)
  {
    # print the number of teams backfilled after the batch of 100 updates
    Write-Output ([string]::Format("Number of Teams processed= {0}", $i+1)) 
  }
}

Write-Output ([string]::Format("Backfill completed. Groups backfilled: {0}, Groups failed to backfill: {1}", $SuccessfullyBackfilledGroup, @($teamsToUpdate).Length - $SuccessfullyBackfilledGroup))

if (!($SuccessfullyBackfilledGroup -eq @($teamsToUpdate).Length))
{
  Write-Output ([string]::Format("Check the failed teams in BackfillFailedTeams.csv, retry to backfill the failed teams.")) 
}