1- Log into the vsphere web client
(Flex)
2- Go into “host and cluster” view
3- Select the vcenter server
4- In the right pane, choose “Configure”
5- Choose advanced vCenter Server
Settings
6- Choose edit
7- In the edit box, search for “timeout”
8- Edit the “vpxd.http.clientIdleTimeout”
value
8- We set it at 32400 (value is in second and equal to 9h) so you login once a day into it.
9- Click “Ok”