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Support Article

Remote host connection closed: handshake failure



The Connect-SOAP Lowest Allowable SSL Protocol version is changed to TLS 1.2.

When testing with a provider which allows all three TLS versions, the request is successful.
When testing with a provider which allows only TLS 1.2, the request fails with an error.

After initiating a trace at the JVM level, the client Hello step indicates that TLS 1.0 is used instead of TLS 1.2. This occurs when using the below,

IBM Java 1.6_64
RHEL 6.10 (Santiago)

Error Messages

Remote host connection closed: handshake failure

Steps to Reproduce

  1. Set the Lowest allowable SSL Protocol version to TLS 1.2.
  2. Run the activity to invoke the  Connect-SOAP. The endpoint must only accept TLSv1.2.

Root Cause

A defect or configuration issue in the operating  environment.
IBM JDK is used with Service refresh 8. This version does not support TLS 1.2.


Here’s the explanation for the reported behavior:

To support Pega TLS1.2, the underlying JAVA must support TLS 1.2.

IBM JDK 1.6 SR10 supports TLS 1.2.

Published May 9, 2019 - Updated October 8, 2020

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