I have same issue while connecting to on premise instance with followings commands :
[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12
$conn = Get-CrmConnection -Credential $Credential -OrganizationName "$crmOrganization" -ServerUrl $ServerUrl -ErrorAction Stop -Verbose
Inside log, we can see following error :
Microsoft.Xrm.Tooling.CrmConnectControl Error 2 16.02.2021 19:38:36 Error Message: Can't connect to Microsoft Common Data Service - XXXX-TEST.
Source : mscorlib Method : HandleReturnMessage Date : 16.02.2021 Time : 19:38:36 Error : System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.Xrm.Sdk.Utility.ConfigurationProvider.RetrieveOrganizationVersion(Guid organizationId, LocatorServiceContext locatorServiceContext) at Microsoft.Xrm.Sdk.Utility.ConfigurationProvider.CheckOrganizationStateAndVersion(Guid organizationId, EndpointVersion version, LocatorServiceContext locatorServiceContext) at Microsoft.Xrm.Sdk.Utility.ConfigurationProvider.RetrieveOrganizationIds(ClaimsPrincipal claimsPrincipal, EndpointVersion version) at Microsoft.Xrm.Sdk.Discovery.DiscoveryServiceProviderBase.RetrieveOrganizations(ClaimsPrincipal claimsPrincipal, OrganizationRelease release, EndpointAccessType endpointAccessType) at Microsoft.Xrm.Sdk.Discovery.RetrieveOrganizationsRequestProcessor.Process(IDiscoveryServiceProvider serviceProvider) at Microsoft.Crm.Sdk.V5.DiscoveryService.Execute(DiscoveryRequest request): Microsoft Dynamics CRM has experienced an error. Reference number for administrators or support: #ACA97262 Stack Trace : Server stack trace: at System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ProxyRpc& rpc) at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout) at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation) at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)
Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) at Microsoft.Xrm.Sdk.Discovery.IDiscoveryService.Execute(DiscoveryRequest request) at Microsoft.Xrm.Sdk.Client.DiscoveryServiceProxy.Execute(DiscoveryRequest request) at Microsoft.Xrm.Tooling.Connector.CrmWebSvc.DiscoverOrganizations(Uri discoveryServiceUri, Uri homeRealmUri, ClientCredentials clientCredentials, ClientCredentials deviceCredentials, CrmLogEntry logSink) at Microsoft.Xrm.Tooling.Connector.CrmWebSvc.DiscoverOrganizations(Uri discoveryServiceUri, Uri homeRealmUri, NetworkCredential networkCredential, CrmLogEntry logSink) at Microsoft.Xrm.Tooling.CrmConnectControl.CrmConnectionManager.ValidateServerConnection(CrmOrgByServer selectedOrg)
Anybody who can help me ?
thanks.