You might need the vSphere Client system log files to resolve technical issues.

Depending on, whether you use a vCenter Server instance that runs on Windows, or a vCenter Server Appliance, the vSphere Web Client system logs can be found in the location listed in the table.

Table 1. Location of vSphere Web Client Logs
vCenter Server System Location
vCenter Server that runs on Windows C:\ProgramData\VMware\vCenterServer\logs\vsphere-client\logs
vCenter Server Appliance /var/log/vmware/vsphere-client/logs

The main vSphere Client log file is vsphere_client_virgo.log.