Rate limit exceeded when running integrations with Logic Apps

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Posted on by DlwK

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For a PoC we have set up a Logic app. It triggers when changes are done on SalesForce and does a create/update towards Dynamics 365.

We are using the default connectors for SalesForce and Dynamics 365.

Yesterday, more than 1000 instances were triggered for this Logic App. Around 950 records were created/updated fine in Dynamics 365.

However all the other retries ended in error "429 - rate limit exceeded".

We are having following questions:

Which service is used when using the Dynamics 365 connector?
Is it a limitation for Dynamics 365 Web API or another service
Does Logic Apps allow for limiting the active instances?

Kind regards

Kim

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Ramon365 on at

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RE: Rate limit exceeded when running integrations with Logic Apps

Check the API limits of Dynamics 365

https://docs.microsoft.com/en-us/dynamics365/customer-engagement/developer/api-limits

In my case we hit the Combined Execution Time and you need to limit your concurrency of the runs in your logic app settings.

After this no 429 errors anymore.

Combined execution time of incoming requests exceeded limit of 1,200,000 milliseconds over time window of 300 seconds. Decrease number of concurrent requests or reduce the duration of requests and try again later.

Example:

"runtimeConfiguration": { "concurrency": { "runs": 25 } }
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DlwK 605 on at

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RE: Rate limit exceeded when running integrations with Logic Apps

Hi The documentation states a limit on the Dynamics connector of 300 API Calls/60 seconds per connection:

docs.microsoft.com/.../crm
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Community Member Microsoft Employee on at

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RE: Rate limit exceeded when running integrations with Logic Apps

I identified a rate limit set on the dynamics API, after processing multiple asynchronous operations against the service started returning 429 error codes (I processed around 1000 in a minute), this infers that the API is rate limited.

Any suggestions will help
Community Member Microsoft Employee on at

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RE: Rate limit exceeded when running integrations with Logic Apps

Hi Kim,

We have experienced the same issues. Did you manage to find an answer?