P12 Authentication Upgrade for SOAP Toolkit Key Users {#so-p12}
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26.05.01
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![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/update-15x75.svg/jcr:content/renditions/original) Updated the required transition dates for the test and production environments. See [Introduction to P12 Authentication for SOAP Toolkit Key Users](https://developer.cybersource.com/docs/cybs/en-us/so-p12/migration/all/so/so-p12/so-p12-intro.md "").