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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Smart card authentication failed after upgrade

Smart card authentication failed after upgrade

Created by Leif Amland, last modified by Aileen de Lara_ret on Oct 06, 2016

Views: 1,504 Votes: 0 Revisions: 5

Overview

This article provides brief information and steps to resolve the issue when Smart card authentication fails after an upgrade.

Environment

NPM 11.5.3

Cause 

This appears to be a rare scenario and not typically seen when upgrading from 11.5.2 to 11.5.3 and the cause is currently unknown.

Resolution

Restart the IIS.

  1. Open the command line.
  2. Enter the command IISRESET.

You should now be able to log in with your smart cards.

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