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HTTP Step Certificate Error

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Posted on by EC-30091350-0

Hello everybody,

I have a flow that uses the HTTP step to connect to the ADP API using client certificate authentication. The flow worked for over a year, but spontaneously started failing with the error

"Request did not provide the required two-way TLS certificate". The certificate isn't expired; I was able to make the same request in Postman with the certificate in .pfx format. I've also tried generating a new certificate but got the same results. Any advice on what caused the error and how to fix it?

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Expiscornovus 33,891 Most Valuable Professional on at

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Hi @EC-30091350-0,

Just double checked the docs, but it doesn't specify anything about mTLS.

https://learn.microsoft.com/en-us/azure/connectors/connectors-native-http?tabs=standard

Might be good to double check this with Power Automate support, if it is supported to use this type of certs with that action/connector.

https://www.microsoft.com/en/power-platform/products/power-automate/support?market=af

Happy to help out 😁

I share more #PowerAutomate and #SharePointOnline content on my Blog, LinkedIn, Bluesky profile or Youtube Channel

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CU05051816-0 2 on at

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@EC-30091350-0 Were you able to resolve this issue? Encountering the same thing and no luck anywhere. Thanks!

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JP-29062149-0 2 on at

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Hello @EC-30091350-0, @CU05051816-0,

Were you able to resolve this issue? We are encountering the same thing where it was working without any issues until about a week ago and now it only authenticates in postman / other modes of sending API requests. Power Automate grabs the access token without issue but encounters the error when attempting a GET call.

Thanks!

Jonathan

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