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CrmServiceClient not working for OAuth type

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Posted on by Screen one

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Hi Team,

Please find find below is the connection string format where OAuth not working.

public static CrmServiceClient Connection()
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
//ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;

string authType = "OAuth";
string userName = "abcd@d365.onmicrosoft.com";
string password = "12345";

string url = "">abcd.crm8.dynamics.com";

string appId = "51f81489-12ee-4a9e-aaae-a2591f45987d";
string reDirectURI = "app://58145B91-0C36-4500-8554-080854F2AC97";
string loginPrompt = "Never";

string ConnectionString = string.Format("AuthType ={0};Username ={1};Password ={2};Url ={3};AppId={4};RedirectUri={5};LoginPrompt={6}",
authType, userName, password, url, appId, reDirectURI, loginPrompt);

CrmServiceClient svc = new CrmServiceClient(ConnectionString);
return svc;
}

I have tried below web.config option also :

</appSettings>

Problem :- When I trying to call above function is will give below error, I have tried multiple blogs but that didn't work in my case.

Unable to Login to Dynamics CRMOrganizationWebProxyClient is null
OrganizationWebProxyClient is nullOrganizationWebProxyClient is null
OrganizationWebProxyClient is nullOrganizationWebProxyClient is null

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Community Member Microsoft Employee on at

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RE: CrmServiceClient not working for OAuth type

Hello, you trying to connect use crm account.

and i hope you share error message.

anyway

if you connect using crm account, check this set true. ( must set allowpublicclient true)

portal azure -> AAD -> App Regstration -> manifest -> allowpublicclient

if you can't keep connect set this variable true (it use openidconnect in my case) just in case.... idk

post that way is use application user. its different.

and check you api permission too

i share my code i hope it help to you

///
/// Connect with specific crm user. /// You must set AllowPublicClient in AAD, AppRegistration, Manifest. ///
/// https://yourorg.crm.dynamics.com /// from aad, app registration /// crm id /// crm pw /// from aad, app registration /// public (CrmServiceClient, Guid) ConnectServiceOAuth(string environmentUri, string clientId, string id, string pw, string tenantId) { string conn = $@" Url = {environmentUri}; AuthType = {Microsoft.Xrm.Tooling.Connector.AuthenticationType.OAuth:G}; Username = {id}; Password = {pw}; AppId = {clientId}; RedirectUri = app://{tenantId}; RequireNewInstance = True; LoginPrompt=Auto;"; //GenerateConString(); ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12; //실행 대기시간 default 2분 -> 5분 CrmServiceClient.MaxConnectionTimeout = new TimeSpan(0, 5, 0); var svc = new CrmServiceClient(conn); if (svc.IsReady) //Connection is successful { } else { throw svc.LastCrmException; } return (svc, svc.GetMyCrmUserId()); } ///
/// If you are connecting using an secret configured for the application, you will use the "ClientCredential" class passing in the 'clientId' and 'clientSecret' rather than a "UserCredential" with 'userName' and 'password' parameters. /// it need application user on CRM(have to create) ///
/// /// /// https://yourorg.crm.dynamics.com /// from aad, app registration /// from aad, app registration /// public (CrmServiceClient, Guid) ConnectServiceApplicationUser(string environmentUri, string clientId, string clientSecret) { string conn = $@" Url = {environmentUri}; AuthType = {Microsoft.Xrm.Tooling.Connector.AuthenticationType.ClientSecret:G}; ClientId = {clientId}; ClientSecret = {clientSecret}; RequireNewInstance = True; LoginPrompt=Never;"; //GenerateConString(); ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12; //실행 대기시간 default 2분 -> 5분 CrmServiceClient.MaxConnectionTimeout = new TimeSpan(0, 5, 0); var svc = new CrmServiceClient(conn); if (svc.IsReady) //Connection is successful { } else { throw svc.LastCrmException; } return (svc, svc.GetMyCrmUserId()); } ///
/// Connect using a certificate thumbprint /// If you are connecting using a certificate and using the Microsoft.Xrm.Tooling.Connector.CrmServiceClient you can use this /// 인증서의 지문을 이용하여 사용한다, /// win r -> certmgr.msc -> 개인용 -> 인증서 선택 -> 제일 밑의 지문(thumbprint) ///
/// /// /// e.g.) DC6C689022C905EA5F812B51F1574ED10F256FF6 /// e.g.) https://yourorg.crm.dynamics.com /// e.g.) 545ce4df-95a6-4115-ac2f-e8e5546e79af public static Guid ConnectServiceThumbprint(string certThumbPrintId, string environmentUri, string clientId) { string ConnectionStr = $@"AuthType=Certificate; SkipDiscovery=true;url={environmentUri}; thumbprint={certThumbPrintId}; ClientId={clientId}; RequireNewInstance=true"; ////실행 대기시간 default 2분 -> 5분 //CrmServiceClient.MaxConnectionTimeout = new TimeSpan(0, 5, 0); CrmServiceClient svc = new CrmServiceClient(ConnectionStr); if (svc.IsReady) { //실행 대기시간 default 2분 -> 5분 //if (svc.OrganizationWebProxyClient != null) //{ // svc.OrganizationWebProxyClient.InnerChannel.OperationTimeout = new TimeSpan(0, 5, 0); //} //else if(svc.OrganizationServiceProxy != null) //{ // svc.OrganizationServiceProxy.Timeout = new TimeSpan(0, 5, 0); //} } return ((WhoAmIResponse)svc.OrganizationServiceProxy.Execute(new WhoAmIRequest())).UserId; }
Suggested answer

furkank 535 on at

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RE: CrmServiceClient not working for OAuth type

Hi Manoj, Are you sure your AppId is correct? Where do you get your AppId?
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Bipin D365 28,964 Super User 2024 Season 1 on at

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RE: CrmServiceClient not working for OAuth type

Hi,

Have you tried updating the nuget package to latest version?

docs.microsoft.com/.../microsoft.xrm.tooling.connector

Also, try to remove below property from your connection string.

LoginPrompt=Never

I tried your code in my console application and it works. Please download my console app from my guthub page and replace Url, Username and Password to check if it works for you.

github.com/.../WorkWithCsharp

Please mark my answer verified if this is helpful!

Regards,

Bipin Kumar

Follow my Blog: xrmdynamicscrm.wordpress.com/
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Yoshika Suzuki on at

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RE: CrmServiceClient not working for OAuth type

Check the following for the correction method.

docs.microsoft.com/.../authenticate-office365-deprecation

It may also be related to the version of CrmServiceClient.

www.nuget.org/.../Microsoft.CrmSdk.CoreTools
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Community Member Microsoft Employee on at

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RE: CrmServiceClient not working for OAuth type

Hi,

Please follow the below blog and YouTube channel you will get your answer yourself.

https://juniorazurecrm.blogspot.com/

https://www.youtube.com/watch?v=X7H25FZHoF0&t=3s

Once you get your answer please like and subscribe my channel and follow the blog.

Thanks,

Arshad