Eric Sloof - NTPRO.NL

I was trying to apply a profile to my nested production cluster when I noticed the installation of the NSX kernel modules stalled at 18%. The ESXi hosts were configured with 8 GB of RAM but I also enabled vSAN of the cluster. After reconfiguring the hosts with 16 GB of memory and hitting the resolve button the process completed successfully. 

Failed to install software on host. Failed to install software on host. esx01.ntpro.local : java.rmi.RemoteException: [LiveInstallationError] Error in running ['/etc/init.d/nsx-mpa', 'start', 'install']: Return code: 1 Output: Unable to setmemconfig for mpa host/vim/vmvisor/mpa Resource pool 'host/vim/vmvisor/mpa' released. Waiting for /usr/lib64/vmware/nsx-mpa/mpa to start... Waiting for /usr/lib64/vmware/nsx-mpa/mpa to start... Waiting for /usr/lib64/vmware/nsx-mpa/mpa to start... Waiting for /usr/lib64/vmware/nsx-mpa/mpa to start... Waiting for /usr/lib64/vmware/nsx-mpa/mpa to start... Unable to start /usr/lib64/vmware/nsx-mpa/mpa It is not safe to continue. Please reboot the host immediately to discard the unfinished update. Please refer to the log file for more details.

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If you want to change the default session time-out of the NSX-T manager web interface, you have to ssh into the appliance and login as admin. 

You can use the following command to change the default value: set service http session-timeout <minutes> Set it 0 for an unlimited time-out.

Disable the command-line timeout with: set cli-timeout 0