PRTG Version: PRTG Network Monitor 18.3.43.2323 Auto-Update Status: Version 18.3.43.2323 successfully installed Operating System: Microsoft Windows Server 2012 R2 Standard (6.3 Build 9600), 2 CPUs (Double x64 Model 45 Step 2), code page "Windows-1252", on VMware

After upgrading to the latest release I now receive the following error when monitoring all databases on our Exchange 2013 server.

Sensor Exchange Database: database

XML: The returned XML does not match the expected schema. (code: PE233) -- JSON: The returned JSON does not match the expected structure (Invalid JSON.). (code: PE231)

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Attention: This article is a record of a conversation with the Paessler support team. The information in this conversation is not updated to preserve the historical record. As a result, some of the information or recommendations in this conversation might be out of date.

Dear wmcdade_tcut,

for this case, we need screenshots and log files. Please contact us at via email, at support@paessler.com.

Please describe the error, and include screenshots of one of those sensors:

  • the overview tab of a single sensor (where the gauges are shown)
  • the logs tab of that sensor
  • the settings tab (multiple screenshots if necessary to cover all options.)

Please capture the whole PRTG user interface in any screenshot and send them as email file attachment. Please capture the full interface in any screenshot, because if parts are cut off, important context would be missing.

In addition, please open the "Settings" tab of the sensor and enable "Write sensor result to disk". After the next scan, please find the log files in "C:\ProgramData\Paessler\PRTG Network Monitor\Logs (Sensors)" and attach those to the email as well.


Sep, 2018 - Permalink