First, check whether the vcenter service is normal.
If the same 902 error is reported for all the PCs in the vsphere-clinet link vcenter, continue to the next step. If not, reinstall the vsphere-client or reinstall the system to install the software.
Restart the hostd and vpxa service commands of each esxi HOST:/etc/init. d/hostd restart (enable the SSH service first)
A. Open the graphic interface-> press F2-> select troubleshooting options-> enable SSH. If the execution fails after B is executed, open enable esxi shell.
B. after connecting vshpere-client to VC, select the host and click "configuration"-> "Security Configuration File"-> "service" and "firewall" to enable the SSH service and enable it. If this is not the case, see the following section of a and c
C. You can continue to enable the esxi Shell service and allow the firewall)
This article from the "personalized water bottle" blog, please be sure to keep this source http://tanxm.blog.51cto.com/2442356/1561247
Error 902 reported when connecting to vcenter with vsphere-Client