M365DomainMGMT.psm1

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Function Start-M365DomainManagement
{
    
    <#
    .SYNOPSIS
 
    This module helps automate domain management in Microsoft 365.
 
    .DESCRIPTION
 
    This function triggers all sub functions..
 
    .PARAMETER LogFolderPath
 
    *REQUIRED*
    This provides the logging directory for the application.
 
    .PARAMETER msGraphTenantID
 
    This is the entra tenant ID where domain management should occur.
 
    .PARAMETER msGraphEnvironmentName
 
    This is the graph endpoint that will be utilized to manage the domain.
 
    .PARAMETER msGraphCertificateThumbprint
 
    This is the certificate thumbprint installed locally and associated with graph certificate authentication.
 
    .PARAMETER mmsGraphAppicationID
 
    This is the application GUID of the graph application created in entra.
 
    .PARAMETER msGraphClientSecret
 
    This is the client secret associated with the graph application.
 
    .OUTPUTS
 
    Logs all activities and backs up all original data to the log folder directory.
    Moves the distribution group from on premieses source of authority to office 365 source of authority.
 
    .NOTES
 
    The following blog posts maintain documentation regarding this module.
 
    https://timmcmic.wordpress.com.
 
    Refer to the first pinned blog post that is the table of contents.
 
     
    .EXAMPLE
 
    Start-DistributionListMigration -groupSMTPAddress $groupSMTPAddress -globalCatalogServer server.domain.com -activeDirectoryCredential $cred -logfolderpath c:\temp -dnNoSyncOU "OU" -exchangeOnlineCredential $cred -azureADCredential $cred
 
    .EXAMPLE
 
    Start-DistributionListMigration -groupSMTPAddress $groupSMTPAddress -globalCatalogServer server.domain.com -activeDirectoryCredential $cred -logfolderpath c:\temp -dnNoSyncOU "OU" -exchangeOnlineCredential $cred -azureADCredential $cred -enableHybridMailFlow:$TRUE -triggerUpgradeToOffice365Group:$TRUE
 
    .EXAMPLE
 
    Start-DistributionListMigration -groupSMTPAddress $groupSMTPAddress -globalCatalogServer server.domain.com -activeDirectoryCredential $cred -logfolderpath c:\temp -dnNoSyncOU "OU" -exchangeOnlineCredential $cred -azureADCredential $cred -enableHybridMailFlow:$TRUE -triggerUpgradeToOffice365Group:$TRUE -useCollectedOnPremMailboxFolderPermissions:$TRUE -useCollectedOffice365MailboxFolderPermissions:$TRUE -useCollectedOnPremSendAs:$TRUE -useCollectedOnPremFullMailboxAccess:$TRUE -useCollectedOffice365FullMailboxAccess:$TRUE
 
    #>


    [cmdletbinding()]

    Param
    (
        #Define other mandatory parameters
        [Parameter(Mandatory = $true)]
        [string]$logFolderPath,
        #Define variables to allow administrator to provide grpah connectivity.
         #Define Microsoft Graph Parameters
        [Parameter(Mandatory = $false)]
        [ValidateSet("None","China","Global","USGov","USGovDod")]
        [string]$msGraphEnvironmentName="None",
        [Parameter(Mandatory=$false)]
        [string]$msGraphTenantID="None",
        [Parameter(Mandatory=$false)]
        [string]$msGraphCertificateThumbprint="None",
        [Parameter(Mandatory=$false)]
        [string]$msGraphApplicationID="None",
        [Parameter(Mandatory=$false)]
        [string]$msGraphClientSecret="None",
        [Parameter(Mandatory=$false)]
        [string]$domainName="None",
        [Parameter(Mandatory = $false)]
        [ValidateSet("None","New","Remove","Confirm","ForceTakeOver")]
        [string]$domainOperation="None"
    )

    #Variables for logging.

    $global:msGraphGlobal:logFile=$NULL
    $logFileName = "M365DomainMgmt_"+(Get-Date -Format FileDateTime)

    #Variables for graph.

    $msGraphRequiredScopes = "Domain.ReadWrite.All"
    $msGraphURL = ""

    #Define globals

    $global:msGraphGlobal = "Global"
    $global:msGraphUSGov = "USGov"
    $global:msGraphUSDOD = "usDOD"
    $global:msGraphChina = "China"
    $global:authenticationInteractive = "Interactive"
    $global:authenticationCertificate = "Certificate"
    $global:authenticationSecret = "Secret"
    $global:testString = "None"

    #Start the log file.

    new-logfile -logFileName $logFileName -logFolderPath $logFolderPath

    out-logfile -string "*****************************************************"
    out-logfile -string "Starting M365 Domain Management"
    out-logfile -string "*****************************************************"

    out-logfile -string "Obtain and prepare MS Graph Connection."

    start-msGraphConnection -msGraphScopesRequired $msGraphRequiredScopes -msGraphEnvironmentName $msGraphEnvironmentName -msGraphTenantID $msGraphTenantID -msGraphCertificateThumbprint $msGraphCertificateThumbprint -msGraphApplicationID $msGraphApplicationID -msGraphClientSecret $msGraphClientSecret

    out-logfile -string "Starting domain operations"

    start-DomainOperation -domainName $domainName -domainOperation $domainOperation -msGraphEnvironmentName $msGraphEnvironmentName
}