The_Exchange_Team ScottSchnoll Nino_Bilic it looks like there is an issue with ADFS on localized (german) Windows Server 2022 operating system when enabling modern Auth (New-AuthServer) in an Exchange 2019 CU13 on-premises enviornment:
New-AuthServer -Type ADFS `
-Name "JansCloudLabADFS" `
-AuthMetadataUrl https://adfs.janscloudlab.de/FederationMetadata/2007-06/FederationMetadata.xml
Das Metadatendokument für die Authentifizierung kann nicht analysiert werden.
+ CategoryInfo : ParserError: (:) [New-AuthServer], AuthMetadataParserException
+ FullyQualifiedErrorId : [Server=TEST-EXCH02,RequestId=66961c25-9510-4ef0-b68d-dc586ca6a018,TimeStamp=08.02.2024 19:48:45]
[FailureCategory=Cmdlet-AuthMetadataParserException] D778FAD3,Microsoft.Exchange.Management.SystemConfigurationTasks.NewAuthServer
+ PSComputerName : test-exch02.ad.janscloudlab.de
Replacing the ADFS on german based Windows Server 2022 with an Server in english language everything works fine.
Is it a known issue and will it still be fixed in CU14 or CU15 even when we are in extended support now?