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CrmServiceClient Object reference not set to an instance of an object

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Posted on by Stuie

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I've been trying to change to oAuth since my connections started to fail today.
I've used what I've seen on the net but it's not working.

M previous code was;

        ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
        CrmServiceClient service = new CrmServiceClient(ConfigurationManager.ConnectionStrings["CRMLIVE"].ConnectionString);

And Ive changed to use a new conncegion string like

            CrmServiceClient service = new CrmServiceClient(ConfigurationManager.ConnectionStrings["CrmConnectionString"].ConnectionString);

In my web.config i have the string;

It's not working. LastCRMerror is Unable to Login to Dynamics CRM

And Object reference not set to an instance of an object

HELP!

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Shaun W Harvey 242 on at

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Stuie,

The connection string looks OK from what I can see. It certainly looks like the ones I have that work.

This may seem like a silly question but are you using an up to date version of the CoreAssemblies from Nuget?

The connection failed errors are not that helpful, sometimes a slightly out of date DLL can be all it takes.

Regards,

Shaun

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Community Member on at

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Hi,

Pleas follow the below link and video you will get your answer yourself.

https://juniorazurecrm.blogspot.com/

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

Please fell free to like and subscribe my YouTube channel

Thanks,

Arshad

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Bipin D365 28,983 Moderator on at

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Hi,

I have created new console application to connect to CRM from C#. Please download the source code from my github page link below and replace UR, Username & Password

github.com/.../WorkWithCsharp

Make sure you are updating your assembly to latest version using NUget package manager.

Please mark my answer verified if this is helpful!

Regards,

Bipin Kumar

Follow my Blog: xrmdynamicscrm.wordpress.com/

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