For me, I was trying to do Agentless Posture flow troubleshooting and the export associated with an example mac address.
And an error 400.
I've looked in ise-psc.log and can see some potential related messages.
2025-03-07 15:16:28,699 INFO [AdeSyslogProcessor][] cpm.infrastructure.systemconfig.syslogproc.AdeSyslogContent -::::- Logging detail to aLogExternal :error:14209102:SSL routines:tls_early_post_process_client_hello:unsupported protocol) while SSL handshaking, Port = 443 SystemMsg : com.cisco.cpm.prrt.infrastructure.SystemMsg@7eb1a745 IpAddress : 172.25.100.10ISEServer <ISE-Node1>01
2025-03-07 15:16:28,699 INFO [AdeSyslogProcessor][] cpm.infrastructure.systemconfig.syslogproc.AdeSyslogContent -::::- Logging detail to aLogExternal :error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher) while SSL handshaking, Port = 443 SystemMsg : com.cisco.cpm.prrt.infrastructure.SystemMsg@7eb1a745 IpAddress : 172.25.100.10ISEServer <ISE-Node1>01
2025-03-07 15:16:28,700 INFO [AdeSyslogProcessor][] cpm.infrastructure.systemconfig.syslogproc.AdeSyslogContent -::::- Logging detail to aLogExternal :error:1420918C:SSL routines:tls_early_post_process_client_hello:version too low) while SSL handshaking, Port = 443 SystemMsg : com.cisco.cpm.prrt.infrastructure.SystemMsg@7eb1a745 IpAddress : 172.25.100.10ISEServer <ISE-Node1>01
2025-03-07 15:16:28,700 INFO [AdeSyslogProcessor][] cpm.infrastructure.systemconfig.syslogproc.AdeSyslogContent -::::- Logging detail to aLogExternal :error:14209102:SSL routines:tls_early_post_process_client_hello:unsupported protocol) while SSL handshaking, Port = 443 SystemMsg : com.cisco.cpm.prrt.infrastructure.SystemMsg@7eb1a745 IpAddress : 172.25.100.10ISEServer <ISE-Node1>01
2025-03-07 15:16:29,150 ERROR [admin-http-pool11][] cpm.admin.infra.utils.CsrfValidationFilter -::::- required token is missing from the request
2025-03-07 15:16:29,151 WARN [admin-http-pool11][] cpm.admin.infra.utils.ErrorLogUtil -::::- SourceIP: 'xxx.100.192.164' DestinationIP: 'xxx.100.64.66' Destination: '<ISE-Node1>01.<domain.com>' Component: 'GUI' Protocol: 'https' Action: 'Request rejected' Results: 'failure' Username: '<username>' FreeForm Field: 'Invalid request'
2025-03-07 15:16:29,423 INFO [SXPSessionDispatcherThread][] ise.sxp.sessionbinding.handler.SxpSessionBindingDataHandler -::::-
PERF_SXP_SESS_BINDING : start transmitting SXP session bindings data from the sxp node to the sxp engine. Current time in milliseconds is: 1741360589423
2025-03-07 15:16:29,428 INFO [SXPSessionDispatcherThread][] ise.sxp.sessionbinding.handler.SxpSessionBindingDataHandler -::::-
PERF_SXP_SESS_BINDING : transmitted SXP session bindings data from the sxp node to the sxp engine. Total elapsed time to transmit 4 bindings is: 5 milliseconds.
2025-03-07 15:16:30,122 ERROR [admin-http-pool14][] cpm.admin.infra.utils.CsrfValidationFilter -::::- required token is missing from the request
2025-03-07 15:16:30,123 WARN [admin-http-pool14][] cpm.admin.infra.utils.ErrorLogUtil -::::- SourceIP: 'xxx.100.192.164' DestinationIP: 'xxx.100.64.66' Destination: '<ISE-Node1>01.<domain.com>' Component: 'GUI' Protocol: 'https' Action: 'Request rejected' Results: 'failure' Username: '<username>' FreeForm Field: 'Invalid request'
2025-03-07 15:16:30,373 INFO [Psc-NodeStateMonitorImpl-MonitorJob-Thread][] api.services.persistance.dao.DistributionDAO -:::NodeStateMonitor:- Host Name: COR-S-ISE01, DB 'SEC_REPLICATIONSTATUS' = SYNC COMPLETED, Node Persona: SECONDARY, ReplicationStatus obj status: SYNC_COMPLETED
2025-03-07 15:16:30,401 INFO [admin-http-pool8][] cpm.admin.infra.spring.ISEAdminControllerUtils -:<username>:::- mapping path found in global-forwards, forwarding to: /pages/jsonResponse.jsp
2025-03-07 15:16:30,421 INFO [admin-http-pool14][] cpm.admin.infra.spring.ISEAdminControllerUtils -:<username>:::- mapping path found in global-forwards, forwarding to: /pages/jsonResponse.jsp
2025-03-07 15:16:30,425 INFO [admin-http-pool12][] cpm.admin.infra.spring.ISEAdminControllerUtils -:<username>:::- mapping path found in global-forwards, forwarding to: /pages/jsonResponse.jsp
2025-03-07 15:16:30,460 INFO [admin-http-pool10][] cpm.admin.infra.spring.ISEAdminControllerUtils -:<username>:::- mapping path found in global-forwards, forwarding to: /pages/jsonResponse.jsp
Any other ideas?