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Home > Success Center > Server & Application Monitor (SAM) > SAM - Knowledgebase Articles > AppInsight for IIS: HTTP 401 Error on Site Bindings Monitor

AppInsight for IIS: HTTP 401 Error on Site Bindings Monitor

Created by Tiarnan Stacke, last modified by MindTouch on Jun 23, 2016

Views: 1,439 Votes: 0 Revisions: 3


An HTTP 401 error appears in the Site Bindings Monitor within AppInsight for IIS for websites which are hosted on the monitored IIS server.


SAM v6.2 and later


The website has an authentication prompt and the credentials being used for the polling of AppInsight for IIS does not have the relevant permissions to be able to login to the website and gain access.


  1. Go to the AppInsight for IIS application in question.
  2. Edit the Application Monitor.
  3. Specify "IIS Server Credentials" which can access the website.



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