If you do not want to or dont have access to management consoles like idrac, ilo, etc. Then there is cool method to access DCUI within putty session.
1. Enable SSH access to ESXi host
2. Login to esxi host using putty session
3. enter the command “dcui”
4. That’s it, putty session will present DCUI console
5. To close the DCUI, simply press “Ctrl+c”
5. Do not forget to disable SSH access once you are done with the putty session..
Simple and good to know.