Registration of the Dsc Agent with the server failed

[Kalis12365 Participant Topics: 1 Replies: 0 Points: 12Rank: Member]

Hello,

Setting up the DSC pull server and the node for the first time and I am hitting an error that I couldn’t solve. Please help.

Server configuration

Server in Azure

PowerShell

configuration Sample_xDscWebServiceRegistration { param ( [string[]]$NodeName = 'localhost', [ValidateNotNullOrEmpty()] [string] $certificateThumbPrint, [Parameter(HelpMessage='This should be a string with enough entropy (randomness) to protect the registration of clients to the pull server. We will use new GUID by default.')] [ValidateNotNullOrEmpty()] [string] $RegistrationKey # A guid that clients use to initiate conversation with pull server ) Import-DSCResource -ModuleName PSDesiredStateConfiguration Import-DSCResource -ModuleName xPSDesiredStateConfiguration Node $NodeName { WindowsFeature DSCServiceFeature { Ensure = "Present" Name = "DSC-Service" } xDscWebService PSDSCPullServer { Ensure = "Present" EndpointName = "PSDSCPullServer" Port = 443 PhysicalPath = "$env:SystemDrive\inetpub\PSDSCPullServer" CertificateThumbPrint = $certificateThumbPrint ModulePath = "$env:PROGRAMFILES\WindowsPowerShell\DscService\Modules" ConfigurationPath = "$env:PROGRAMFILES\WindowsPowerShell\DscService\Configuration" State = "Started" DependsOn = "[WindowsFeature]DSCServiceFeature" RegistrationKeyPath = "$env:PROGRAMFILES\WindowsPowerShell\DscService" AcceptSelfSignedCertificates = $true UseSecurityBestPractices = $true Enable32BitAppOnWin64 = $false } File RegistrationKeyFile { Ensure = 'Present' Type = 'File' DestinationPath = "$env:ProgramFiles\WindowsPowerShell\DscService\RegistrationKeys.txt" Contents = $RegistrationKey } } }

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configuration Sample_xDscWebServiceRegistration {     param     (         [string[]]$NodeName = 'localhost',           [ValidateNotNullOrEmpty()]         [string] $certificateThumbPrint,           [Parameter(HelpMessage='This should be a string with enough entropy (randomness) to protect the registration of clients to the pull server.  We will use new GUID by default.')]         [ValidateNotNullOrEmpty()]         [string] $RegistrationKey   # A guid that clients use to initiate conversation with pull server     )       Import-DSCResource -ModuleName PSDesiredStateConfiguration     Import-DSCResource -ModuleName xPSDesiredStateConfiguration       Node $NodeName     {         WindowsFeature DSCServiceFeature         {             Ensure = "Present"             Name   = "DSC-Service"         }           xDscWebService PSDSCPullServer         {             Ensure                  = "Present"             EndpointName            = "PSDSCPullServer"             Port                    = 443             PhysicalPath            = "$env:SystemDrive\inetpub\PSDSCPullServer"             CertificateThumbPrint   = $certificateThumbPrint             ModulePath              = "$env:PROGRAMFILES\WindowsPowerShell\DscService\Modules"             ConfigurationPath       = "$env:PROGRAMFILES\WindowsPowerShell\DscService\Configuration"             State                   = "Started"             DependsOn               = "[WindowsFeature]DSCServiceFeature"             RegistrationKeyPath     = "$env:PROGRAMFILES\WindowsPowerShell\DscService"             AcceptSelfSignedCertificates = $true             UseSecurityBestPractices     = $true             Enable32BitAppOnWin64   = $false         }           File RegistrationKeyFile         {             Ensure          = 'Present'             Type            = 'File'             DestinationPath = "$env:ProgramFiles\WindowsPowerShell\DscService\RegistrationKeys.txt"             Contents        = $RegistrationKey         }     } }

PS C:\Program Files\WindowsPowerShell\DscService\Configuration> Get-DscConfigurationStatus

Status     StartDate                                         Type                Mode      RebootRequested     NumberOfResources
——         ———                                            —-                  —-             —————             —————–
Success   12/23/2020 9:05:38 PM         Consistency       PUSH                False                              3

Also created the testconfig.mof and the corresponding .checksum under the DSCService\Configurations folder

Client configuration

Test client machine – local desktop

Created the metamof using this configuration

PowerShell

[DSCLocalConfigurationManager()] configuration PullClientConfigNames { Node localhost { Settings { RefreshMode = 'Pull' RefreshFrequencyMins = 30 ConfigurationMode = 'ApplyAndAutoCorrect' RebootNodeIfNeeded = $true } ConfigurationRepositoryWeb dsc-test { ServerURL = 'https://dsc-test.preprod.com/PSDSCPullServer.svc/' AllowUnsecureConnection = $true RegistrationKey = 'fc2a988a-aacf-4c6e-a388-fdd0c42338a8' ConfigurationNames = @('testconfig') } } } PullClientConfigNames

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[DSCLocalConfigurationManager()] configuration PullClientConfigNames {     Node localhost     {         Settings         {             RefreshMode = 'Pull'             RefreshFrequencyMins = 30             ConfigurationMode = 'ApplyAndAutoCorrect'             RebootNodeIfNeeded = $true         }         ConfigurationRepositoryWeb dsc-test         {             ServerURL = 'https://dsc-test.preprod.com/PSDSCPullServer.svc/'             AllowUnsecureConnection = $true             RegistrationKey = 'fc2a988a-aacf-4c6e-a388-fdd0c42338a8'             ConfigurationNames = @('testconfig')         }     } } PullClientConfigNames

When running the command

Set-DscLocalConfigurationManager -Path .\PullClientConfigNames -Verbose

Getting the below error message

VERBOSE: Performing the operation “Start-DscConfiguration: SendMetaConfigurationApply” on target “MSFT_DSCLocalConfigurationManager”.
VERBOSE: Perform operation ‘Invoke CimMethod’ with following parameters, ”methodName’ = SendMetaConfigurationApply,’className’ = MSFT_DSCLocalConfigurationManager,’namespaceName’ = root/Microsoft/Windows/DesiredStateConfiguration’.
VERBOSE: An LCM method call arrived from computer desktop-HOME with user sid S-1-5-21-1893490152-1803344854-317642803-1002.
VERBOSE: [desktop-HOME]: LCM: [ Start Set ]
VERBOSE: [desktop-HOME]: LCM: [ Start Resource ] [MSFT_DSCMetaConfiguration]
VERBOSE: [desktop-HOME]: LCM: [ Start Set ] [MSFT_DSCMetaConfiguration]
VERBOSE: [desktop-HOME]: LCM: [ End Set ] [MSFT_DSCMetaConfiguration] in 0.0340 seconds.
VERBOSE: [desktop-HOME]: LCM: [ End Resource ] [MSFT_DSCMetaConfiguration]
VERBOSE: [desktop-HOME]: LCM: [ End Set ]
Registration of the Dsc Agent with the server https://dsc-test.preprod.com/PSDSCPullServer.svc/ failed. The underlying error is: The PowerShell DSC resource is not a valid Desired State Configuration resource. .
+ CategoryInfo : InvalidOperation: (root/Microsoft/…gurationManager:String) [], CimException
+ FullyQualifiedErrorId : Pull_Registration_ManagedPluginFailure
+ PSComputerName : localhost

VERBOSE: Operation ‘Invoke CimMethod’ complete.
VERBOSE: Set-DscLocalConfigurationManager finished in 0.399 seconds.

Note:  I have the root cert from the pull server copied to the trusted certs on my desktop.

 

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