Developers notebook has a VMware virtual machine, after a business trip you want to deploy on the server.
So, using VMware Workstation connection EXSi6.7 server, upload the virtual machine, but will complain.
Analysis:
1, the software is VMware Workstation 12Pro, compatibility is mirrored 12.x Workstations 
2, the server is VMware EXSi 6.7
Try:
1, reduce the VM's compatibility to support EXSi 6.7-- fails, an error is still 
2, the Internet to find solution to error - failed, mostly coding errors, missing nss reasons - to open ssh did not find EXSi commands like yum and apt.
The final solution:
1, the notebook upgrade to 14Pro VMware Workstation version - no need to change the compatibility, you can directly import;
try to change compatibility, found that VMware Workstation 12.X version is compatible EXSi 6.7 of 
2 "connection server "operation, particular attention has a certificate needs to be installed.