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Home > Success Center > Server & Application Monitor (SAM) > IIS average CPU and memory usage data not displayed in Internet Explorer 11

IIS average CPU and memory usage data not displayed in Internet Explorer 11

Overview

The IIS Average CPU and Memory Usage Data under AppInsight for IIS in SAM is not displaying when using Internet Explorer 11.

The following web page error message appears:

Error: Unable to get property 'PageRequestManager' of undefined or null reference

Environment

All SAM versions

Cause

The user-agent string for Internet Explorer 11 has been changed and the version cannot be detected by ASP.NET 4.0.

Resolution

To resolve this issue, perform  any of the following:

  • Install the patch for .NET Framework 4. Refer to Microsoft KB2836939 on installing the .NET Framework 4 update.
  • Update to .NET 4.5.

 

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