Enter Case number reference for associated cases.

Case #


Type: APM as a Service

Old Article ID: 1341

Old Article Type: documentation



Detail the contextual information specific to the issue; i.e. Product, Version, Agent, System, etc.

  • Dynatrace Portal

Describe the problem, from the user perspective

We are seeing Error Code 12055. What does this mean?

Clearly list the Steps to resolve the issue

Error code 12055 indicates that an error occurred with the SSL certificate, and the SSL connection could not be established.