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Status": "TH99401: Invalid Client Certificate

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Status": "TH99401: Invalid Client Certificate

Hello Team ,


We have recently bought an SSL certificate and implemented it in our AWS environment. We can observe that the SSL certificate is already been imported successfully "". Our main purpose to buy the certificate was to make 2-way handshaking with one of our partners however when we do it we get failure.

Steps we did:-

-Configured certificate into our Aws Load balancer.

-Checked "" and our https works fine

-Hit the API from our server to our partner with body and got the below error.

HTTP/1.1 401 Unauthorized

Content-Type: application/json;charset=UTF-8

Content-Length: 276

Date: Fri, 16 Oct 2020 11:30:16 GMT

Server: myServer


"RequestEncryptedValue": "",

"RequestDigitalSignatureValue": "",

"SessionEncryptedValue": "",

"SessionDigitalSignatureValue": "",

"Source": "Happy_Lead",

"TransactionId": "2018-10-11T15:04:14.900+05:30",

"Status": "TH99401: Invalid Client Certificate"


- Just to narrow down our problem, we installed SOAP UI and tried to hit the API with Keystore(our private key in .p12 format) and trust store (our partner's public key).

- We got the same error, so to further narrow down, we generated a self-signed SSL certificate and tried with that, and it got a success . What can we check next?

SmartBear Alumni (Retired)

Did anyone face a similar issue? @richie @HimanshuTayal 

Sonya Mihaljova
Community and Education Specialist

Community Hero

@jatinbhappy : Hope below link will help you out with certificate error with SoapUI.





Click "Accept as Solution" if my answer has helped,
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Thanks and Regards,
Himanshu Tayal

@HimanshuTayal We are already doing the same, still, the same error is occurring.

SmartBear Alumni (Retired)

Hi @jatinbhappy,

I'm not sure if this issue is related to ReadyAPI. However, please make sure that you set up ReadyAPI according to this article:

Tanya Yatskovskaya
SmartBear Community and Education Manager

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