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LINQ Queries and D365 API Limits

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Posted on by SavvyLuke

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Hi all,

I have a MVC website hosted in azure with back-end connected to D365.

I'm using the XRM.Tooling.Connector because it supposedly has 'service protection api limits' protection built in but I'm not seeing it working at all because my MVC portal is exceeding D365 API limits within 30 minutes of going live.

I have two questions:

1. How are LINQ queries against Dynamics 365 being treated by the platform? I thought i read somewhere they are treated as 'RetrieveMultiple' and if so is there are a workaround similar to this https://docs.microsoft.com/en-ca/powerapps/developer/common-data-service/api-limits

2. Do they count against API limits?

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a33ik 84,331 Most Valuable Professional on at

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Hello,

1. LINQ Query in fact is Retrieve Multiple request. What do you use to connect to Dynamics? Is it OOB XrmTooling assemblies?

2. Those requests are counted as API call.

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SavvyLuke 655 on at

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Thanks Andrew. The MVC site is using this library www.openhub.net/.../xrmlibrary to manage my connections. I've updated it to work with D365 and it's using tooling SDK libraries for D365. But there are many LINQ queries that retrieve data. Do you think if i wrap them in an ASYNC call this would resolve the issue?

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a33ik 84,331 Most Valuable Professional on at

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I'm not an MVC guy to answer those questions unfortunately. I would recommend to use XrmTooling to connect to Dynamics - www.nuget.org/.../ if you haven't done that yet. According to the post you mentioned that should help with Retry-After usage because it natively uses it.

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