Unable to vMotion VMs due to error: "Currently connected network interface - lcp.ccpSession down" which is not accessible

Products

• VMware NSX

Issue/Introduction

• We cannot vMotion Workloads to specific hosts with the lcp-ccp session down.
• vMotion to specific hosts fails with error:
  

  "Currently connected network interface" "Network Adapter 1" uses network 'DVSwitch[50 29 dd 1a c9 58 df 20-a6 c1 XX XX XX XX XX XX} NSX Port Group {dvportgroup-2003}(lcp.ccpSession down)'. Which is not accessible

• NOTE: DVS Switch UUID and dvportgroup-ID will be different.
  
  
• The below command will show lcp-ccp session as down on the host where vMotion is failing.
  

  net-dvs -l | grep -i down
  
  com.vmware.common.opaqueDvs.status.component.lcp.ccpSession = down , propType = RUNTIME

  
  
  
• We can notice that the Host Transport node has lost controller connectivity:

• 2025-03-24T09:11:55.965Z Wa(180) nsx-proxy[2827682]: NSX 2827682 - [nsx@6876 comp="nsx-esx" subcomp="nsx-proxy" s2comp="nsx-rpc" tid="2827699" level="WARNING"] RpcConnection[3601 Connecting to ssl://#.#.#.19:1234 0] Couldn't connect to ssl://#.#.#.19:1234 (error: 110-Connection timed out)
  
  2025-03-24T09:12:00.287Z Wa(180) nsx-proxy[2827682]: NSX 2827682 - [nsx@6876 comp="nsx-esx" subcomp="nsx-proxy" s2comp="nsx-rpc" tid="2827699" level="WARNING"] RpcConnection[3599 Connecting to ssl://#.#.#.19:1235 0] Couldn't connect to ssl://#.#.#.19:1235 (error: 110-Connection timed out)
  
  [root@hostname:/] nsxcli -c get controllers
  
   Controller IP    Port     SSL         Status       Is Physical Master   Session State  Controller FQDN           Failure Reason
  
    #.#.#.18     1235   enabled      not used            false              null              NA                       NA
  
    #.#.#.17     1235   enabled      not used            false              null              NA                       NA
  
    #.#.#.19     1235   enabled    disconnected           true              down              NA              CONNECTION_TIMED_OUT

Environment

VMware NSX 

Cause

NSX Controller is needed during vMotion to provide the destination host with overlay network & new switchport for the VM.
As the controller is down the vmotion fails with error "NSX Port Group {dvportgroup-2003}(lcp.ccpSession down)'. Which is not accessible"

 

Resolution

Please ensure that the NSX host controller connectivity is up.

[root@hostname:/] nsxcli -c get controllers