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Devices appear be staying connected however hundreds of messages similar to the following display in the msglog: *haSSOServiceTask0: Apr 10 04:50:52.628: #APF_HA-3-SYNC_RETRANSMIT_FAIL: [PA] apf_ha.c:3447 Maximum retransmission exceeded for client (00:11:22:33:44:55 )data sync block:0x80000. Retry after 300 secs. %APF_HA-3-SYNC_RETRANSMIT_FAIL: [PA]apf_ha.c:4460 Maximum retransmission exceeded for client (00:40:96:00:01:02 )data sync block:0x80282. Retry after 300 secs.
WLCs running in AP-SSO HA
there is no workaround at this time
No operational impact, as long as failover does not occur. If failover were to occur, then client SSO may not work correctly.
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