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Microsoft Dynamics CRM 365 “The user authentication failed!”,InvalidOperationException

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Posted on by Community Member Microsoft Employee

I'm using the CRM SDK to talk to CRM.

My organization has Dynamics CRM 365(On-Premise) with IFD authentication. When i am trying to connect to CRM it is showing some random behavior. Sometimes i am able to connect using AD authentication,sometimes through OnlineFederation and the most weird connection was through Live ID. In case of IFD authentication it should not connect using LiveID. I am using connection string in the following format for IFD authentication:

connectionString = $"AuthType=IFD;ServiceUri={ organizationUri }/{ AuthInfo.OrganizationUniqueName };Domain={ AuthInfo.Domain };Username={ AuthInfo.Domain }\{ AuthInfo.UserName };Password={ AuthInfo.Password };";

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