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Cisco Bug: CSCuo46375 - webui unavailable: authentication provided by IOS was malformed

Last Modified

Apr 17, 2019

Products (25)

  • Cisco IOS
  • Cisco ASR 901-6CZ-FS-D Router
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ASR 901S-4SG-F-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901S-2SG-F-AH Router
  • Cisco ASR 901-6CZ-FT-A Router
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Known Affected Releases


Description (partial)

When accessing the graphical WebUI, the operation may fail. The browser will display the
following message:

''Unavailable Resource

While authentication is required, related information provided by IOS was malformed.

Please check the status of the router and retry from here...''

This occurs on IOS-XE 3.12 releases.
The graphical WebUI must be configured. This problem does not affect the legacy, text-based WebUI.

Graphical WebUI configuration will look similar to the following:

transport-map type persistent webui http-webui
ip http secure-server
transport type persistent webui input http-webui

Related Community Discussions

Problems configuring IOS Web User Interface
I have a Cisco ASR 1002 on which I am trying to configure the IOS WebUI following the direction here: Problem is, I can only seem to get the so-called legacy interface running, but not the graphical interface. I am running: Cisco IOS Software, IOS-XE Software (PPC_LINUX_IOSD-ADVENTERPRISEK9-M), Version 12.2(33)XNE, RELEASE SOFTWARE (fc1) Here is some added info: ASR#show transport-map name https-webui                                                   ...
Latest activity: Jul 01, 2016
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
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  • Related Community Discussions
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