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Custom connector test succeeds, but 401 error occurs when running the flow

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Posted on by CU11030755-0

Hello,

I am currently creating a Power Automate flow to register data into the Salesforce Contact object.

■ Flow structure:

Manually trigger the flow
Send an HTTP request to retrieve user information
Parse the JSON response
Use a custom connector to register data in Salesforce (POST)

■ Issue:

The custom connector alone works fine and successfully creates records in Salesforce.

However, when running the Power Automate flow, the custom connector part fails with a 401 error.

■ Error message:

{
"message": "Session expired or invalid",
"errorCode": "INVALID_SESSION_ID"
}

If anyone knows the cause, please kindly let me know.

Thank you in advance.

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CU11030755-0 2 on at

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Custom connector test succeeds, but 401 error occurs when running the flow

@DexPoint

Thank you for your reply!
I'm only trying to post 8 records, so I think the possibility of a timeout due to mass data load is low.

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DexPoint 171 on at

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Custom connector test succeeds, but 401 error occurs when running the flow

i dont know the cause unfortunately, but i do use salesforce connector (Premium) and regularly load mass amounts of data.

I also have a daily flow that occurs when i export registered users from website to create them into SalesForce.

Now, im not sure the specific error. but after about 150 or so loads it does time out. when this happens i rerun the flow on new records.

So maybe you are trying to load to many records and its timing out after a set amount?

if this is the case reply and i can talk you through what i did to resolve that issue of mass loading data.

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Custom connector test succeeds, but 401 error occurs when running the flow

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