[VCDR] VCDR replication may fail during stage: performing backup. VixDiskLib_Open failed

Products

• VMware Live Recovery

Issue/Introduction

To provide identification and steps to resolve the issue.

Symptoms:
Following error may be seen in the VCDR UI 


VDDK logs on the connector

 [VDDKServer.VDDKOpenCloseThread:55e3430cc9ec] NBD_ClientOpen: Couldn't connect to <ESXi host IP>:902 Failed to connect to server <ESXi host ip/fqdn>:902
 [VDDKServer.VDDKOpenCloseThread:55e3430cc9ec] DISKLIB-DSCPTR: : "vpxa-nfcssl://[VM Path /VM Name.vmdk@<ESXi host ip/fqdn>:902" : Failed to open NBD extent.

Cause

This issue occurs if the DR connector cannot connect to the VMware vSphere ESXi host on port 902 to establish NFC Connection.

Resolution

Ensure the DR Connector can connect to ESXi hosts in the protected site on TCP port 902.  Please review DRaaS Connector Networking Requirements.

Additional Information

Impact/Risks:
Replication fails