Regarding Retiring WS-Trust authentication protocol for connecting to Dataverse

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Posted on by sanket1828

Hello ,

Hope You are doing well.

I am one of the developers working on Microsoft technologies.

I have a query about the WS-Trust authentication protocol which is going to be retired soon.

I am using below different approaches for the Dynamics CRM authentication.

Online Authentication

var conn = new CrmServiceClient($@"AuthType=ClientSecret;url={organizationUri};ClientId={clientId};ClientSecret={clientSecret}");

conn.OrganizationWebProxyClient.InnerChannel.OperationTimeout = new TimeSpan(0, Convert.ToInt16(ConfigurationManager.AppSettings["MDC_ServiceTimeOut"]), 0);
return conn.OrganizationWebProxyClient != null ? conn.OrganizationWebProxyClient : (IOrganizationService)conn.OrganizationServiceProxy;

OnPremise Authentication

String connstr = "authtype=Office365;Url=" + _OrganizationUri + ";Domain=" + _domain + ";Username=" + _userName + ";Password=" + _password + "";
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
CrmServiceClient conn = new CrmServiceClient(connstr);
if (conn.IsReady)
{
service = conn.OrganizationWebProxyClient != null ? (IOrganizationService)conn.OrganizationWebProxyClient : (IOrganizationService)conn.OrganizationServiceProxy;
}

So for the above, all two approaches do I need to make any changes?

Please guide me on this.

Your help would be really appreciated.

Awaiting Your positive reply.

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sanket1828 2 on at

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Re: Regarding Retiring WS-Trust authentication protocol for connecting to Dataverse

This works fine. I have only concern that how We can authenticate the user which is not on cloud and having port number with the organization URI. see below example URL
"https://crm.organization.com:444/.
I am trying to to using oath type "Office365". but not getting succeeded.
Please advice on this.
cchannon 4,702 Super User 2025 Season 1 on at

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Re: Regarding Retiring WS-Trust authentication protocol for connecting to Dataverse

MSFT published a page on just this topic to help guide you away from WSTrust and the OrganizationServiceProxy class. I think you'll find the answers you're looking for here.

Use of Office365 authentication with Microsoft Dataverse (Microsoft Dataverse) - Power Apps | Microsoft Docs
a33ik 3,304 Most Valuable Professional on at

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Re: Regarding Retiring WS-Trust authentication protocol for connecting to Dataverse

Hello,
I'm not sure why do you need proxy at all. I use the following code in my apps that works transparently for both Online and On-Prem:

var conn = new CrmServiceClient("Your Valid Connection String"); if (!conn.IsReady) { //handle the connection issue here } //use conn object here