Nah, looks like he said logging into CCM Admin pages, with AD accounts, so all areas of the web UI (I believe). The NTP errors that I’ve seen are presented as SAML assertion errors.
I’m curious if this is a new SSO config, or if it was working properly and something’s changed.
From: cisco-voip <cisco-voip-bounces@puck.nether.net> On Behalf Of Kent Roberts
Sent: Thursday, September 16, 2021 8:37 PM
To: Matthew Loraditch <MLoraditch@heliontechnologies.com>
Cc: cisco-voip@puck.nether.net
Subject: [External] Re: [cisco-voip] Error Processing SAML Response
Remember he said it also was happening on the CUCM Admin account which has nothing to do with SSO/SAML. So means its most likely internal to cucm...
On Sep 16, 2021, at 4:36 PM, Matthew Loraditch <MLoraditch@heliontechnologies.com<mailto:MLoraditch@heliontechnologies.com>> wrote:
The logs are pretty clear when its a time difference as the error. I’ve not seen it randomly occur but definitely the error will be it’s time and may even show the difference.
Its the 4j log file for sso I believe
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From: cisco-voip <cisco-voip-bounces@puck.nether.net<mailto:cisco-voip-bounces@puck.nether.net>> on behalf of Lelio Fulgenzi <lelio@uoguelph.ca<mailto:lelio@uoguelph.ca>>
Sent: Thursday, September 16, 2021 4:32:12 PM
To: Jonathan Charles <jonvoip@gmail.com<mailto:jonvoip@gmail.com>>; Benjamin Turner <benmturner@hotmail.com<mailto:benmturner@hotmail.com>>
Cc: cisco-voip@puck.nether.net<mailto:cisco-voip@puck.nether.net> <cisco-voip@puck.nether.net<mailto:cisco-voip@puck.nether.net>>
Subject: Re: [cisco-voip] Error Processing SAML Response
[EXTERNAL]
Have you been able to confirm the time difference?
I’m not trying to take their side of things, but if it’s minutes off, I wouldn’t doubt that’s possible. SSO is highly secure, right? A time difference might be enough to throw it off?
Here’s reference:
https://support.pingidentity.com/s/article/Accounting-for-Time-Drift-Between-SAML-Endpoints50907 From: cisco-voip <cisco-voip-bounces@puck.nether.net<mailto:cisco-voip-bounces@puck.nether.net>> On Behalf Of Jonathan Charles
Sent: Thursday, September 16, 2021 6:23 PM
To: Benjamin Turner <benmturner@hotmail.com<mailto:benmturner@hotmail.com>>
Cc: cisco-voip@puck.nether.net<mailto:cisco-voip@puck.nether.net>
Subject: Re: [cisco-voip] Error Processing SAML Response
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No... TBH, I have never heard of it...
TAC is hyper-asserting that the issue is time mismatch between CUCM/CUC and ADFS...
Jonathan
On Thu, Sep 16, 2021 at 4:08 PM Benjamin Turner <benmturner@hotmail.com<mailto:benmturner@hotmail.com>> wrote:
Have you tried to run a SAML Tracer?
Sincerely,
Benjamin M. Turner
________________________________
From: cisco-voip <cisco-voip-bounces@puck.nether.net<mailto:cisco-voip-bounces@puck.nether.net>> on behalf of Jonathan Charles <jonvoip@gmail.com<mailto:jonvoip@gmail.com>>
Sent: Thursday, September 16, 2021 4:56:48 PM
To: cisco-voip@puck.nether.net<mailto:cisco-voip@puck.nether.net> <cisco-voip@puck.nether.net<mailto:cisco-voip@puck.nether.net>>
Subject: [cisco-voip] Error Processing SAML Response
So, users are randomly getting the above error when logging into CUCM UCMUser or CUC Inbox... we are also getting it using AD credentials into admin pages for CUCM/CUC/etc.
For a user, it will work find repeatedly, then you will get the error, close your browser, and reopen, still get the error for a few minutes. Then later it will work. When a user is affected, other users work fine.
TAC is saying it is an NTP issue, however, NTP between CUCM 12.5 and IdP (ADFS 2.0) is fine.
Pings are around 1ms between servers.
Any ideas?
Jonathan
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