Hi André,
You wrote:
Maybe I'm wrong, but today is the 17th, thus ~12-13 days
until the end of the month! Please take a look at the date/time
set on the host and make sure it's not set to "October", 17th!
Thanks for the tip. However, I just checked the current date in the several ESX hosts - logging in through SSH ("Secure Shell"), and issuing the "date" command - and also in the vCenter server (that's installed on a physical machine running "Windows Server 2003 R2 Standard Edition") - by using a "Remote Desktop" connection, and checking the current date in the Windows "Taskbar". The ESX hosts and the vCenter server all have the current (and correct) date set up (17-Sep-2010).
I said, in my previous post, that the "Expires" column (in "Home" -> "Administration" -> "Licensing") read "31-Oct-2010". Actually, it reads "31-10-2010" (although that should mean the same date, obviously).
I now noticed something in the vSphere Client, regarding the vCenter Server, that I don't know if it's related or not to this "inconsistent licensing deadlines" problem. What I noticed is that, if I go to "Home" -> "Administration" -> "vCenter Service Status", I get the following error message:
vCenter Service Status
Communication problem with the Server!
As that seems to be a problem more related to "vCenter Server", I'll create a new discussion for that other problem, in the "VMware vCenter" community - http://communities.vmware.com/community/vmtn/mgmt
So, I guess that the problem that I described in my original post remains. Anyway, thanks for trying to help, André! 
If anyone has additional info / comments / questions regarding my problem, please tell.
Cheers,
Ricardo Dias Marques
Hi weinstein5,
weinstein5 wrote:
Also when do you stand up the server - you only have 60 days total
Good question. Actually, this temporary license (it's the same license for the 2 ESX hosts) was installed by a colleague of mine in 17-Aug-2010. He received the license from a VMware representative, that granted us the license because our purchase process of the permanent license for the 2 hosts is under way, but not yet concluded (like I said before, all our other VMware ESX hosts - from a previous purchase process - are already paid for and, as such, have permanent licenses).
I now see that my colleague sent me an e-mail, on the same day that he installed this temporary license for the 2 hosts (17-Aug-2010), with the "screenshot" of the "Licensing" screen in "vSphere" client (under "Home" -> "Administration"-> "Licensing"). The funny thing is that, in that "screenshot", the "Expires" column for this "License Key" read "30-09-2010". I don't know why it now reads "30-10-2010", for the same "License Key".
Anyway, thanks for asking a relevant question, weinstein5!
Cheers,
Ricardo Dias Marques