tshark -r nfs-debug.pcap -Y "nfs.status == 45" -V Look for the opcode (e.g., OP_OPEN , OP_GETATTR ) and opattr – that’s your culprit. Then refer to the to see if your server should support that operation. Part 5: Real-World Case Study – Making NFS VLTED 45 Work in a VMware Environment A Reddit user (source: r/vmware) once posted: "NFS datastore shows 'VLTED 45' in vmkernel.log – cannot power on VM."
Look for: NFS: v4 server returned error -45 on operation X . If error 45 appears with vers=4.2 or vers=4 , downgrade to a lower version: nfs vlted 45 work
You mount an NFS share with -o vers=4.2 . The server runs NFSv4.0. You try to run cp --reflink – boom. Error 45. Part 3: How to Make "NFS VLTED 45" Work – Step-by-Step Troubleshooting Now for the practical guide. Follow these steps in order to diagnose and resolve the issue. Step 1: Identify the Exact Error Context Don't rely on vague logs. Run the following on the client : tshark -r nfs-debug