https://community.cisco.com/t5/endpoint-security/cisco-ise-node-replication-issue/m-p/4386416#M6093 <P>Hi <a href="https://community.cisco.com/t5/user/viewprofilepage/user-id/1170842">@Bhardwajp</a>&nbsp;</P> <P>Yes, certificates can cause a problem. Have you recently replaced a certificate on one or more of the nodes, ensure the PAN trusts the certificates in use by the other nodes.</P> Tue, 13 Apr 2021 19:55:05 GMT Rob Ingram 2021-04-13T19:55:05Z https://community.cisco.com/t5/endpoint-security/cisco-ise-node-replication-issue/m-p/4386092#M6092 <P>Hi All,</P><P>&nbsp;</P><P>We are facing replication issue in our environment we have 8 nodes in our deployment 2 Admin 2 Monitoring and 2 PSN and running dot1x , BYOD and posture services.</P><P>&nbsp;</P><P>On primary node we are getting Replication issue for all other nodes and when we are trying to resync its giving error node not reachable i have check the reachablity and it looks and im able to ping the nodes from IP as well as from Domain name.</P><P>&nbsp;</P><P>Im not sure if Certificate can create an problem can someone please help how i can confirm what is causing this issue ... where is can see logsI&nbsp;</P><P>&nbsp;</P><P>Thanks in Advance</P> Tue, 13 Apr 2021 10:17:11 GMT https://community.cisco.com/t5/endpoint-security/cisco-ise-node-replication-issue/m-p/4386092#M6092 Bhardwajp 2021-04-13T10:17:11Z https://community.cisco.com/t5/endpoint-security/cisco-ise-node-replication-issue/m-p/4386416#M6093 <P>Hi <a href="https://community.cisco.com/t5/user/viewprofilepage/user-id/1170842">@Bhardwajp</a>&nbsp;</P> <P>Yes, certificates can cause a problem. Have you recently replaced a certificate on one or more of the nodes, ensure the PAN trusts the certificates in use by the other nodes.</P> Tue, 13 Apr 2021 19:55:05 GMT https://community.cisco.com/t5/endpoint-security/cisco-ise-node-replication-issue/m-p/4386416#M6093 Rob Ingram 2021-04-13T19:55:05Z