Windows 2025 domain and forest mode not possible

[TRiebesel]

Problem description

I have add Win2025 as domain and forest mode level to ADDomain

Verbose logs

ActiveDirectoryDsc\ADDomain : At least one of the values 'Win2025' is not supported or valid for property 'ForestMode'
on class 'ADDomain'. Please specify only supported values:
Win2008, Win2008R2, Win2012, Win2012R2, WinThreshold.
At C:\Users\tobia\OneDrive\Dokumente\GitHub\dsc-mgmt\mgmt\ConfigurationFile.ps1:635 char:9
+         ADDomain "New-AD-Forest" {
+         ~~~~~~~~
    + CategoryInfo          : InvalidOperation: (:) [Write-Error], ParentContainsErrorRecordException
    + FullyQualifiedErrorId : UnsupportedValueForProperty,ActiveDirectoryDsc\ADDomain

ActiveDirectoryDsc\ADDomain : At least one of the values 'Win2025' is not supported or valid for property 'DomainMode'
on class 'ADDomain'. Please specify only supported values:
Win2008, Win2008R2, Win2012, Win2012R2, WinThreshold.
At C:\Users\tobia\OneDrive\Dokumente\GitHub\dsc-mgmt\mgmt\ConfigurationFile.ps1:635 char:9
+         ADDomain "New-AD-Forest" {
+         ~~~~~~~~
    + CategoryInfo          : InvalidOperation: (:) [Write-Error], ParentContainsErrorRecordException
    + FullyQualifiedErrorId : UnsupportedValueForProperty,ActiveDirectoryDsc\ADDomain

DSC configuration

ADDomain "New-AD-Forest" {
            DomainName                    = $ConfigurationData.ADDomain.DomainName
            DomainNetBiosName             = $ConfigurationData.ADDomain.DomainNetBiosName
            Credential                    = $DomainAdministratorCred
            SafemodeAdministratorPassword = $SafemodeAdministratorCred
            DatabasePath                  = $ConfigurationData.ADDomain.DatabasePath 
            LogPath                       = $ConfigurationData.ADDomain.LogPath
            SysvolPath                    = $ConfigurationData.ADDomain.SysvolPath
            ForestMode                    = 'Win2025'
            DomainMode                    = 'Win2025'
            DependsOn                     = "[Computer]$NodeName", "[DnsServerScavenging]Enable-ScavengingAndChangeIntervals", "[WindowsFeature]Enable-AD-Domain-Services"   
        }

Suggested solution

.

Operating system the target node is running

Windowds Server 2025

PowerShell version and build the target node is running

5.1.22621.4435

ActiveDirectoryDsc version

6.6.0

[johlju]

Happy to see a PR that resolves this in all necessary resources.

[RobertK666]

Don't use strings, use '10' instead as in
ForestMode = '10'
DomainMode = '10'

so far M$ has not provided proper string name, so '10' will get you going ....