ISE 1.2 Anomalous Client Detection

Hi Community!
ISE 1.2 with patch 8,9.
On MAB authentication with redirection I have clients that are suppressed by the RADIUS setting mentioned in the title. I have seen this post where suppression can be disabled, the thing is that it's not working at all.
Testing I have donde this
1. Set the fields in Administration > System > Settings > Protocols > RADIUS to default values.
2. Retired MAC address from Endpoints in Administration > Identity Management > Identities > Endpoints.
3. Tried to connect with same device until 5434 Endpoint conducted several authentication attempts from same scenario error appears.
4. In the first test the attribute "IsEndpointInRejectMode" was set to true, added the MAC in Disable Suppression > Result NOT ALLOWED
5. In the second test the attribute "IsEndpointInRejectMode" was set to false, added the MAC in Disable Suppression > Result NOT ALLOWED
So none of these tests have been working at all.
Am I expecting something that cannot be achieved?
Why did it work before? Client states that after enabling dot1x it stopped working (We all know this is completely unrelated, unless bug)
Any thoughts?

Clients are being blocked even though suppression is disabled. The suppression is disabled via Collection Filters. One case I've seen is that if the MAC is not in the database (manually added) and the suppression enable via collection filters the endpoint no longer triggers the IsEndpointInRejectMode flag, so for me that means suppression is working.
Yes, retiring is deleting the endpoint from the database and for this particular client I have "disabled" profiling(I mean no RADIUS, DHCP or any checkboxes in deployment tab) .
I have not checked client exclusion in WLC but that would be a nice place to look next time.
It's difficult for me to post the screens at the moment, but basically is the same as when the 5434 error shows. One with the flag set to true (IsEndpointInRejectMode) and the other set to false.
For me it's something about timing and the way the client sees that this worked immediately before.

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Hi Ageel,
Thanks for the response. The problem we are having is not related to a user, though. With the anomalous client supression enabled for the RADIUS protocol (Admin->System->Settings->Protocols->RADIUS) set to reject users who fail subsequent authorizations, the client is in "reject" mode for the determined amount of time configured which is a default of 60 minutes.
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Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]

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~BR
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Symptoms or
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User authentication is failing on the client machine, and the user is receiving a
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Conditions (This issue occurs with authentication protocols that require certificate validation.)
Possible Authentications report failure reasons:
• “Authentication failed: 11514 Unexpectedly received empty TLS message;
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• “Authentication failed: 12153 EAP-FAST failed SSL/TLS handshake because
the client rejected the Cisco ISE local-certificate”
Click the magnifying glass icon from Authentications to display the following output
in the Authentication Report:
• 12305 Prepared EAP-Request with another PEAP challenge
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client
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client
• 11504 Prepared EAP-Failure
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• 11006 Returned RADIUS Access-Challenge
• 11001 Received RADIUS Access-Request
• 11018 RADIUS is re-using an existing session
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Cisco ISE local-certificate
• 11504 Prepared EAP-Failure
• 11003 Returned RADIUS Access-Reject
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ISE certificates.
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The client machine is configured to validate the server certificate, but is not
configured to trust the Cisco ISE certificate.
Resolution The client machine must accept the Cisco ISE certificate to enable authentication.

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or IsInstalled=0 and DeploymentAction='Uninstallation' and RebootRequired=1"
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2015-02-03 10:00:50:739 536 2a64 Agent   * Search Scope = {Machine}
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2015-02-03 10:00:50:889 536 2a64 Agent *********
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2015-02-03 10:00:50:889 536 4170 AU >>## RESUMED ## AU: Search for updates [CallId = {D6E096AD-8B3E-4A0E-B638-756CFBBF0833}]
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2015-02-03 10:00:50:889 536 4170 AU #########
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2015-02-03 10:00:50:889 536 4170 AU #############
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2015-02-03 10:00:50:891 536 4170 AU Successfully wrote event for AU health state:0
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Tom

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My MVP Profile: http://mvp.microsoft.com/en-us/mvp/Lawrence%20R%20Garvin-32101
http://www.solarwinds.com/gotmicrosoft
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Lawrence Garvin, M.S., MCITP:EA, MCDBA, MCSA
SolarWinds Head Geek
Microsoft MVP - Software Packaging, Deployment & Servicing (2005-2013)
My MVP Profile: http://mvp.microsoft.com/en-us/mvp/Lawrence R Garvin
http://www.solarwinds.com/gotmicrosoft
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http://aitaseller.wordpress.com/2010/01/17/bpdu-filter-vs-bpdu-guard-what-is-the-difference/
http://costiser.wordpress.com/2011/05/23/subtle-difference-for-portfast-bpdufilter-used-together-globally-or-at-interface-level/
https://learningnetwork.cisco.com/thread/21103
http://blog.ipexpert.com/2010/12/06/bpdu-filter-and-bpdu-guard/
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