Public/Import/Clear-SFBAttribute.ps1
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function Clear-SFBAttribute { <# .SYNOPSIS Clear Attributes of On-Premises Skype users to prepare for Skype For Business Online Use -LogOnly first.. to show the attributes to be removed and back them up See the examples below .DESCRIPTION Clear Attributes of On-Premises Skype users to prepare for Skype For Business Online Can be tweaked to remove any attributes. Run this from PowerShell for Active Directory Users and Computers Use with caution as this removes attributes This is often use to prep The process to move from On-Premises Skype to Skype for Business Online (where there is not hybrid or transition, contact lists are NOT preserved) 1. Remove Skype for Business Licenses from user(s) Connect-Cloud -tenant Contoso -AzureADver2 Get-Content .\UpnList.txt | Set-CloudLicense -RemoveOptions (Select-click all entries named Skype & click OK) 2. Sync AD Connect Sync-ADConnect (if prompted, select the AD Connect server name & click OK) 3. Remove attributes with this script (run from on-premises Active Directory PowerShell as administrator) 4. Repeat Step #2 5. Add Skype License Back Get-Content .\UpnList.txt | Set-CloudLicense -AddOptions (Select one entry named Skype & click OK) .PARAMETER LogOnly This just logs the values of the attributes that will be cleared plus Name, DistinguishedName, ObjectGuid, DisplayName, UserPrincipalName This is important to run prior to validate what/who you are effecting .PARAMETER Upn This is the UPN of the user to clear the attributes .EXAMPLE Get-Content .\UpnList.txt | Clear-SFBAttribute .EXAMPLE "sara@contoso.com" | Clear-SFBAttribute .EXAMPLE Get-Content .\UpnList.txt | Clear-SFBAttribute -LogOnly | Export-Csv .\AttributeBackup.csv -notypeinformation -Encoding UTF8 .NOTES UpnList.txt should not have a header. For example: sara@contoso.com fred@contoso.com harry@contoso.com #> [CmdletBinding(SupportsShouldProcess = $true)] param ( [Parameter()] [Switch]$LogOnly, [Parameter(ValueFromPipeline = $true, Mandatory = $true)] $Upn ) Begin { import-module activedirectory -ErrorAction Stop -Verbose:$false $OutputPath = '.\' $LogFileName = $(get-date -Format yyyy-MM-dd_HH-mm-ss) $Log = Join-Path $OutputPath ($LogFileName + "-ImportCsvData-WhatIf_Import.csv") $ErrorLog = Join-Path $OutputPath ($LogFileName + "-ImportCsvData-Error_Log.csv") $SelectProperties = @( 'Name', 'DistinguishedName', 'ObjectGuid', 'DisplayName', 'UserPrincipalName' ) $CalculatedProperties = @( @{n = "msRTCSIP-DeploymentLocator" ; e = {($_."msRTCSIP-DeploymentLocator" | Where-Object {$_ -ne $null}) -join ";" }}, @{n = "msRTCSIP-FederationEnabled" ; e = {($_."msRTCSIP-FederationEnabled" | Where-Object {$_ -ne $null}) -join ";" }}, @{n = "msRTCSIP-InternetAccessEnabled" ; e = {($_."msRTCSIP-InternetAccessEnabled" | Where-Object {$_ -ne $null}) -join ";" }}, @{n = "msRTCSIP-OptionFlags" ; e = {($_."msRTCSIP-OptionFlags" | Where-Object {$_ -ne $null}) -join ";" }}, @{n = "msRTCSIP-PrimaryHomeServer" ; e = {($_."msRTCSIP-PrimaryHomeServer" | Where-Object {$_ -ne $null}) -join ";" }}, @{n = "msRTCSIP-PrimaryUserAddress" ; e = {($_."msRTCSIP-PrimaryUserAddress" | Where-Object {$_ -ne $null}) -join ";" }}, @{n = "msRTCSIP-UserEnabled" ; e = {($_."msRTCSIP-UserEnabled" | Where-Object {$_ -ne $null}) -join ";" }}, @{n = "msExchShadowProxyAddresses" ; e = {($_."msExchShadowProxyAddresses" | Where-Object {$_ -ne $null}) -join ";" }}, @{n = "msRTCSIP-UserPolicies" ; e = {($_."msRTCSIP-UserPolicies" | Where-Object {$_ -ne $null}) -join ";" }}, @{n = "msRTCSIP-UserRoutingGroupId" ; e = {($_."msRTCSIP-UserRoutingGroupId" | Where-Object {$_ -ne $null}) -join ";" }} ) $Attribute = @('msRTCSIP-DeploymentLocator', 'msRTCSIP-FederationEnabled', 'msRTCSIP-InternetAccessEnabled', 'msRTCSIP-OptionFlags' 'msRTCSIP-PrimaryHomeServer', 'msRTCSIP-PrimaryUserAddress', 'msRTCSIP-UserEnabled', 'msExchShadowProxyAddresses', 'msRTCSIP-UserPolicies' 'msRTCSIP-UserRoutingGroupId', 'DisplayName') } Process { ForEach ($CurUpn in $Upn) { $FilterString = "UserPrincipalName -eq '{0}'" -f $CurUpn $ADUser = Get-ADUser -Filter $FilterString -properties $Attribute | Select-Object ($SelectProperties + $CalculatedProperties) if (-not $LogOnly) { foreach ($CurAttribute in $Attribute) { Write-Verbose "Clearing Current Attribute: $CurAttribute" Set-ADUser -identity $ADUser.ObjectGuid -clear $CurAttribute } $ADUser } else { $ADUser } } } End { } } |