# Update MFA phone number for Lesley Roth @ BG Builders $ErrorActionPreference = "Stop" $lesleyUPN = "lesley@bgbuildersllc.com" $newPhone = "+1 4804954511" $tenantId = "ededa4fb-f6eb-4398-851d-5eb3e11fab27" Import-Module Microsoft.Graph.Authentication Import-Module Microsoft.Graph.Users Connect-MgGraph -TenantId $tenantId -Scopes 'UserAuthenticationMethod.ReadWrite.All','User.ReadWrite.All' -NoWelcome Write-Output "=== Current Auth Methods for Lesley ===" $methods = Invoke-MgGraphRequest -Method GET -Uri "https://graph.microsoft.com/v1.0/users/$lesleyUPN/authentication/phoneMethods" if ($methods.value.Count -gt 0) { foreach ($m in $methods.value) { Write-Output " ID: $($m.id) | Type: $($m.phoneType) | Number: $($m.phoneNumber)" } } else { Write-Output " No phone methods registered" } Write-Output "`n=== Updating MFA Phone ===" # Phone method ID for mobile is always "3179e48a-750b-4051-897c-87b9720928f7" $mobileMethodId = "3179e48a-750b-4051-897c-87b9720928f7" try { # Try to update existing mobile phone method Invoke-MgGraphRequest -Method PUT -Uri "https://graph.microsoft.com/v1.0/users/$lesleyUPN/authentication/phoneMethods/$mobileMethodId" -Body @{ phoneNumber = $newPhone phoneType = "mobile" } Write-Output "[OK] Mobile phone updated to $newPhone" } catch { Write-Output "[INFO] PUT failed, trying POST to create new method..." try { Invoke-MgGraphRequest -Method POST -Uri "https://graph.microsoft.com/v1.0/users/$lesleyUPN/authentication/phoneMethods" -Body @{ phoneNumber = $newPhone phoneType = "mobile" } Write-Output "[OK] Mobile phone created: $newPhone" } catch { Write-Output "[ERROR] Failed: $_" } } Write-Output "`n=== Verify Updated Methods ===" $methods = Invoke-MgGraphRequest -Method GET -Uri "https://graph.microsoft.com/v1.0/users/$lesleyUPN/authentication/phoneMethods" foreach ($m in $methods.value) { Write-Output " ID: $($m.id) | Type: $($m.phoneType) | Number: $($m.phoneNumber)" } Disconnect-MgGraph