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NPrinting Connections Fail After Qlik Sense Upgrade to February 2020 or later versions

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NPrinting Connections Fail After Qlik Sense Upgrade to February 2020 or later versions

Last Update:

Dec 6, 2022 5:50:23 AM

Updated By:


Created date:

May 5, 2020 7:12:28 PM

What causes this?

  • Recent NodeJS security risk resolutions in Qlik Sense resulted in fixes in Qlik Sense that cause internal certificates to be replaced/updated.
  • These Qlik Sense updates result in the necessity to re-export Qlik Sense certificates from Qlik Sense and insert them accordingly as described in the resolution section of this article.


Environments Affected

  • Qlik Sense November 2019 and earlier versions which are upgraded to Qlik Sense February 2020 and later versions
  • NPrinting (All versions) connected to Qlik Sense



Using the Qlik Sense QMC, export your Qlik Sense server certificates from each additional Qlik Sense server.

  • Use the NPrinting server name as the "machine name"
  • Select include secret key and
  • Do NOT include a password when exporting the certificates. See Exporting certificates through the QMC on the Qlik Sense Online Help for details. 
  • Reference

Next, If June 2019 NPrinting or later versions are is in use, do the following:

  • Navigate to the exported certificates location on the QS server and rename the exported file 'client.pfx' with a suitable name. ie: if your Qlik Sense server name is QS1, prepend the file client certificate file name as follows: QS1client.pfx (Naming of this file should ideally reflect the Qlik Sense server that the file was exported from. You may use however, any name that you wish)
  • Copy this file to the NPrinting server path: "C:\Program Files\NPrintingServer\Settings\SenseCertificates"
  • Restart all NPrinting services

If April 2019 NPrinting (no longer supported) or earlier versions are in use, please follow the certificate import steps outlined in Installing Qlik Sense certificates

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Last update:
‎2022-12-06 05:50 AM
Updated by: