Public/Functions/ResourceAccount/Test-TeamsResourceAccount.ps1
# Module: TeamsFunctions # Function: Support # Author: David Eberhardt # Updated: 01-JUL-2020 # Status: PreLive function Test-TeamsResourceAccount { <# .SYNOPSIS Tests whether an Application Instance exists in Azure AD (record found) .DESCRIPTION Simple lookup - does the User Object exist - to avoid TRY/CATCH statements for processing .PARAMETER Identity Mandatory. The sign-in address or User Principal Name of the user account to test. .PARAMETER Quick Optional. By default, this command queries the CsOnlineApplicationInstance which takes a while. A cursory check can be performed against the AzureAdUser (Department "Microsoft Communication Application Instance" indicates ResourceAccounts) .EXAMPLE Test-TeamsResourceAccount -Identity $UPN Will Return $TRUE only if an CsOnlineApplicationInstance Object with the $UPN is found. Will Return $FALSE in any other case, including if there is no Connection to AzureAD! .EXAMPLE Test-TeamsResourceAccount -Identity $UPN -Quick Will Return $TRUE only if an AzureAdObject with the $UPN is found with the Department "Microsoft Communication Application Instance" set) Will Return $FALSE in any other case, including if there is no Connection to AzureAD! .COMPONENT TeamsAutoAttendant TeamsCallQueue .LINK Get-TeamsResourceAccount Find-TeamsResourceAccount Find-AzureAdUser Test-AzureAdUser #> [CmdletBinding()] [OutputType([Boolean])] param( [Parameter(Mandatory, Position = 0, ValueFromPipeline, HelpMessage = "This is the UserID (UPN)")] [string]$Identity, [Parameter(HelpMessage = "Quick test against AzureAdUser Department")] [switch]$Quick ) #param begin { Show-FunctionStatus -Level PreLive Write-Verbose -Message "[BEGIN ] $($MyInvocation.MyCommand)" # Asserting SkypeOnline Connection if (-not (Assert-SkypeOnlineConnection)) { break } } #begin process { Write-Verbose -Message "[PROCESS] $($MyInvocation.MyCommand)" if ( $Quick ) { Write-Verbose -Message "Querying AzureAdUser (Quick search and fast, but may not be 100% accurate!)" $User = Find-AzureAdUser $Identity if ( $User.Department -eq "Microsoft Communication Application Instance") { return $true } else { return $false } } else { Write-Verbose -Message "Querying CsOnlineApplicationInstance (Thorough search, but slower)" $RA = Find-CsOnlineApplicationInstance -SearchQuery "$Identity" -WarningAction SilentlyContinue if ( $RA ) { return $true } else { return $false } } } #process end { Write-Verbose -Message "[END ] $($MyInvocation.MyCommand)" } #end } #Test-TeamsResourceAccount |