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    • TSM Server backup error: NDMP Connect: Unable to Connect to Connection refused
      https://kb.netapp.com/on-prem/ontap/DP/NDMP/NDMP-KBs/TSM_Server_backup_error__NDMP_Connect__Unable_to_Connect_to_Connection_refused
      Applies to ONTAP 9 NDMP Vserver scoped Tivoli Storage Manager (TSM) Issue TSM backup fails to establish a data connection from ONTAP to TSM with the error: NDMP Connect: Unable to Connect to [IP]:1024...Applies to ONTAP 9 NDMP Vserver scoped Tivoli Storage Manager (TSM) Issue TSM backup fails to establish a data connection from ONTAP to TSM with the error: NDMP Connect: Unable to Connect to [IP]:1024 due to Connection refused
    • Cannot establish cluster peering Data connection but ICMP is working
      https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/Cannot_establish_cluster_peering_Data_connection_but_ICMP_is_working
      [?] Mon Mar 28 00:36:28 +0300 [<cluster_name-02>: mgwd: cpeer.xcm.addr.disc.warn:error]: Address discovery failed for peer cluster <UUID>. Reason: Failed to discover remote addresses: Failed to contac...[?] Mon Mar 28 00:36:28 +0300 [<cluster_name-02>: mgwd: cpeer.xcm.addr.disc.warn:error]: Address discovery failed for peer cluster <UUID>. Reason: Failed to discover remote addresses: Failed to contact peer cluster "<cluster_name>" at addresses: <IP>. RPC: Remote system error [from mgwd on node "<cluster_name-02>" (VSID: -3) to mgwd at <IP>].