Not able to Connect to CRM using Microsoft.CrmSdk.XrmTooling, Till this morning it was working

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Posted on by Community Member Microsoft Employee

Hi ALL,

Did any one is facing the same issue, we are not able to Connect to CRM using

Microsoft.CrmSdk.XrmTooling

"Microsoft.CrmSdk.XrmTooling.CoreAssembly" version="9.0.0.7"

CRM is Dynamics 365 Version 1710(9.1.0.33)

I have following code :

ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
// Connect to the CRM web service using a connection string.
CrmServiceClient conn = new CrmServiceClient(connectionString);

// Cast the proxy client to the IOrganizationService interface.
if ((IOrganizationService)conn.OrganizationWebProxyClient != null)
{

service = (IOrganizationService)conn.OrganizationWebProxyClient;
}
else if ((IOrganizationService)conn.OrganizationServiceProxy != null)
{
conn.OrganizationServiceProxy.EnableProxyTypes();
service = (IOrganizationService)conn.OrganizationServiceProxy;
}

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Radu Chiribelea 6,667 on at

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RE: Not able to Connect to CRM using Microsoft.CrmSdk.XrmTooling, Till this morning it was working

Hello,

Can you collect a Fiddler while reproducing the issue? Do you see there any errors. Or do you see anything within the LastCrmError or LastCrmException Properties of the CrmServiceClient?

Also, towards which .NET Framework is this project targeted?

Are you using any ADAL Nuget packages? I've seen similar issues with the latest ADAL Package.

In addition to the above, do you have any proxy server / firewall that might be blocking the connection?

Hope these points can help you get started!

Regards,

Radu