Virtual Server NTPD

bankwest
bankwest used Ask the Experts™
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We have a virtual server and I am attaching screenshots of the Time Configuration.   An outside vendor set up the virtual machine for us with Esxi and I wanted to know if this config. looks like it should of do I need to have something in the NTP Settings (last screenshot in the attachment)?
NTP.doc
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Seth SimmonsSr. Systems Administrator
Commented:
add your ntp server(s) there so it will have something to sync with
make sure the vsphere dns/gateway is valid if you're using something external
VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017
Commented:
I would recommend using an external time source for your ESXi Servers, and then do not sync VMs with the Hosts, Sync your Windows Servers with your Active Directory PDC Emulator.

Make Sure the Active Directory PDC emulator is syncing time with the same servers you use for your ESXi Servers.

see also here

http://www.vmware.com/files/pdf/techpaper/Timekeeping-In-VirtualMachines.pdf
bankwestCTO/Cashier

Author

Commented:
We had an external IT audit and one of the exceptions says:

VMware ESXi Server 4.1
Critical Problem
 If this vulnerability is present, a remote attacker could gain root access to an affected system.
 [http://www.ntp.org/downloads.html] Upgrade to NTP 4.2.4p8 or higher, or upgrade as designated by Linux vendor. To find out if your version of ntpd is vulnerable, enter the command: ntpq -c version

This is not Linux box???????    I am confused.
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Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017

Commented:
What version of ESXi 4.1 are you running?

which build number?

This scan may not be applicable to ESXi, or this issue could have been fixed by a later release.
bankwestCTO/Cashier

Author

Commented:
Version 4.1.0
Build  348481
Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017

Commented:
I would update to at least ESXi 4.1 Build U3, and re-run the Audit.
bankwestCTO/Cashier

Author

Commented:
I would like to update but is there anything special I need to be aware of by doing updates to ESXi 4.1?     Or like other updates....Is it straight forward, I just need to download and run the update?
Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017

Commented:
Just download and run the update. Please ensure you have valid backups (not snapshots before you make any changes to a production server)
bankwestCTO/Cashier

Author

Commented:
..
Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017

Commented:
Do you still need help with this question on applying the update?

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