IAS Log Viewer


IAS Log Viewer is an administrative tool for viewing, understanding and analyzing log files from Microsoft IAS/NPS server. With the IAS Log Viewer you can view log files at user-friendly form and use it as a lite RADIUS reporting tool for Microsoft Windows IAS/NPS server.

IAS Log Viewer has a many unique features and benefits:

  • Works with log files from IAS or NPS server.
  • The fast and correct work with huge log files.
  • Support IAS-formatted, DTS compatible or ODBC formats of IAS log file.
  • Open several log files or several directories with IAS log files.
  • The smart bad lines detection module. The IAS Log Viewer skip bad lines in log file automatically.
  • Work with log files at real time. You can see records that just added by IAS automatically. No log file reopen, no refresh!
  • The real time connections view. You can see RRAS connections in real time!
  • Real-time monitor. Allows to see current metrics of ias server.
  • You can export IAS log records or RRAS connections to XML or CSV file.
  • Usage report and user usage report can be created in HTML, XML or CSV formats. The columns of that reports can be customized.
  • Command-line options for automate log files processing.
  • Additional filter for specifies reports data.
  • Cisco-AV-Pair fields support.
  • Alerts. Allows to generate action while specified event was occur.
  • User defined columns. You can create your own columns with any data and use its in views/reports.


File Size Description
iasviewer_x64.zip 20Mb x64 version 3.50 with setup program
( build at December 02, 2021 )
iasviewern_x64.zip 19.9Mb x64 version 3.50 portable (without setup)
( build at December 02, 2021 )
iasviewer.zip 18.9Mb x86 version 3.50 with setup program
( build at December 02, 2021 )
iasviewern.zip 18.8Mb x86 version 3.50 portable (without setup)
( build at December 02, 2021 )


IAS Log Viewer may work in two modes: trial and registered. In the trial mode IAS Log Viewer can work during 15 days and sometime shows “reminder for registration” dialog. After registration IAS Log Viewer will automatically switch to registered mode where no “reminder for registration” dialog. In the registered mode IAS Log Viewer will work lifetime without any restrictions. Several license types available for purchase