Remove-MSTTeamChannelFromAllTeams

Teams: Removes channels from all teams

Script

#Requires -Version 5.1

[CmdletBinding()]
Param(
    [Parameter(Mandatory = $true)]
    [string]$ChannelNames
)

Process {
    try {
        $teams = Get-Team -ErrorAction Stop
        [string[]]$result = @()
        [hashtable]$cmdArgs = @{'ErrorAction' = 'Stop'}

        foreach ($cnl in $ChannelNames.Split(',')) {
            foreach ($team in $teams) {
                try {
                    $check = Get-TeamChannel -GroupId $team.GroupId -ErrorAction Stop | Where-Object { $_.DisplayName -eq ($cnl.Trim()) }
                    if ($null -ne $check) {
                        $null = Remove-TeamChannel @cmdArgs -GroupId $team.GroupId -DisplayName ($cnl.Trim())
                    }
                    $result += "Channel $($cnl.Trim()) removed from team $($team.DisplayName)"
                }
                catch {
                    $result += "Error removing channel $($cnl.Trim()) from team $($team.DisplayName)"
                }
            }
        }

        foreach ($msg in $result) {
            [PSCustomObject]@{
                Timestamp = Get-Date -Format 'yyyy-MM-dd HH:mm:ss'
                Result    = $msg
            }
        }
    }
    catch { throw }
}

Customize

ChannelNames string

One or more channel display names, comma separated