Hard Link AD Users To Office 365 When Soft Match Fails



  • #Allow Remote Scripts To Run
    Set-ExecutionPolicy RemoteSigned

    #Store Office 365 Global Admin Creds and connect to MS online
    $credential = Get-Credential
    Import-Module MsOnline
    Connect-MsolService -Credential $credential

    #Verify Active Directory Sync Has Been Disabled - Money Command will not run with it on
    $IsDirSyncEnabled = (Get-MsolCompanyInformation).DirectorySynchronizationEnabled
    If($IsDirSyncEnabled -eq $false) {Write-Host "Office 365 Active Directory Sync Disabled - Good to go!"} else {Write-Host "Please disable Active Directory Sync and Wait" Exit}
    Start-Sleep -Seconds 5

    #If you want to dump your existing AD to text file for reference uncomment the next line
    #ldifde -f C:\export.txt -r "(Userprincipalname=*)" -l "objectGuid, userPrincipalName"

    do{

    Query the local AD and get all the users output to grid for selection

    $ADGuidUser = Get-ADUser -Filter * | Select Name,ObjectGUID | Sort-Object Name | Out-GridView -Title "Select Local AD User To Get Immutable ID for" -PassThru
    #Convert the GUID to the Immutable ID format
    $UserimmutableID = [System.Convert]::ToBase64String($ADGuidUser.ObjectGUID.tobytearray())

    Query the existing users on Office 365 and output to grid for selection

    $OnlineUser = Get-MsolUser | Select UserPrincipalName,DisplayName,ProxyAddresses,ImmutableID | Sort-Object DisplayName | Out-GridView -Title "Select The Office 365 Online User To HardLink The AD User To" -PassThru

    #Uncommend the ###Careful### out of the following command to purge all the deleted users from the users recycle bin on Office 365
    #This will only query for users that are unlicensed so it will skip users with mailboxes but still use at your own risk
    ###Careful### Get-MsolUser -ReturnDeletedUsers | Where-Object {$_.isLicensed -NE "false"} | Remove-MsolUser -RemoveFromRecycleBin -Force

    Money command that sets the office 365 user you picked with the OnPrem AD ImmutableID

    Set-MSOLuser -UserPrincipalName $OnlineUser.UserPrincipalName -ImmutableID $UserimmutableID

    #Verify ImmutableID has been updated
    $Office365UserQuery = Get-MsolUser -UserPrincipalName $OnlineUser.UserPrincipalName | Select DisplayName,ImmutableId
    Write-Host "Do the ID's Match? if not something is wrong"
    Write-Host "AD Immutable ID Used" $UserimmutableID
    Write-Host "Office365 UserLinked" $Office365UserQuery.ImmutableId

    Ask To Repeat The Script

    $Repeat = read-host "Do you want to choose another user? Y or N"
    }
    while ($Repeat -eq "Y")

    #List Users and ImmutableId
    Get-MsolUser | Select DisplayName,ImmutableID | Sort-Object DisplayName | Out-GridView -Title "Office 365 User List With Immutableid Showing"

    #Close your PS Office 365 Connection
    Get-PSSession | Remove-PSSession


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