Why is the power nap not supported by my 2012 macbook pro 13" ?

I tried to download the power nap update from the apple website but it keeps on saying to me that my laptop is not supported.
I just downloaded the OS X mountain lion. I read in the website that it is supported by macbook pro (retina. mid 2012) does this mean that it is only for macbook pro with retina display? if so then why is it available to macbook air?

It's only available on the 2011, 2012 MBair and the MBpro retina.

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Syntax
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, password_hash
[ , version ] )
Note: This feature will be removed in the next version of Microsoft SQL Server. Do not use this feature in new development work, and modify applications that currently use this feature as soon as possible.
I am not sure whether this feature is not available on SQL 2014.
I think you can solve this issue by using the EXECUTE AS. Add this query into a procedure with EXECUTE AS with the user/login with sufficient permissions on the server.
Refer to belw link for more details on EXECUTE AS
http://msdn.microsoft.com/en-us/library/ms188354.aspx
create
procedure checkpassword
@UserName
SYSNAME
,@Password
VARCHAR(1000)
WITH
EXECUTE AS
'<UserName>'
as
select
pwdcompare(@Password,convert(nvarchar(128),password))
from master.dbo.syslogins
(nolock)
where name=@UserName
GO
EXEC checkpassword
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Yeah I still have the same problem BTW; it still does not work.
The second I open the lid and take it out of sleep mode, it starts to backup automagically, but when it's sleeping EVEN when it's connected to AC power, TM backups do NOT work to my OS X Server.
I don't understand what the problem is here.
I didn't before but I do have FileVault turned on now -- should that make a difference?
In either situation it didn't work, but now that I think about it, I could understand why it wouldn't backup while asleep. Apparently the encrypted volume will stay encrypted during sleep and even at the lock screen; it's not until you open the lid and log in from the lock screen that it will unlock the encrypted boot volume.
But even still, I did *not* have FV turned on before, and this still did not work.
Is there some third party solution that can do what I want this to do?
Here's my use case:
1.) I have a mac mini at home that I use when I'm at home; it runs OS X server.app (bought and paid for) and has TM server turned on.
2.) I have a laptop that I mainly use at work and I don't use at all when I come home (ie. when I'm ready to head home for the day I close the lid and don't open it until I'm back at work the next day, but the laptop does come home with me every day).
What I want to have happen is this:
1.) The minute my laptop enters my home wifi lan (even though it's still asleep with lid closed) I want it to automatically backup the boot drive.
I thought that's what Power Nap was supposed to do, but then I found out that in order for this to work, you have to be connected to AC power; so then I tried that -- ie. every day I come home, I put my laptop in a docking station that has AC power, but TM backups while lid closed / sleeping STILL do not occur!
Thanks for your help everyone...Looking forward to a solution that works.
EDIT:
I found this thread:
https://discussions.apple.com/thread/4158709
"It looks like Power Nap doesn't perform Time Capsule backups when the MacBook Air screen is closed."
So apparently that is yet *another* requirement to get powernap working. The lid can not be closed.
What is the difference between sleep with lid open and sleep with lid closed!?

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for me this issue is only new powerbook w retina display on 10.8. do not have issue on Lion, imac, ibook or old powerbook 17.

Why is the power nap not supported by my 2012 macbook pro 13" ?

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