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PI Web API

Verbose logging

  • Last UpdatedMar 20, 2025
  • 1 minute read

The PI Web API Admin Utility has a verbose logging option which provides more details on what the Admin Utility is doing. Verbose logging can be specified with either -u or --verbose when running the PI Web API Admin Utility on the command line. Administrators can use this option to troubleshoot issues related to selecting SSL certificates.

When selecting an SSL certificate with verbose logging enabled, the command line will output every certificate it validates. If the certificate is not valid, the PI Web API Admin Utility will print out the reason why validation failed.

Sample output

Certificate Select Dialog accessed:
OSIsoft Self-Signed Certificate
(AB78D79ACCF71E3CB93DD0E67CC2E626EA612703)
shown: bypassed trust check.
IIS Express Development Certificate
(80DAB4634108AC06A15C68735AAFAC3CE7CD1BEE)
not shown: certificate failed basic validation policy.

If a certificate fails validation, it will not be shown in the list of available certificates in the PI Web API Admin Utility user interface.

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