Windows 2012 R2 Evaluation Version issue
Key points:
1. It can be installed without production key
2. It will be normal for 10 days, if you activate it in 10 days, it will show the trial period for 180 days as follow and work normally. But if you copy it virtual hard driver, whatever it is activated or not, it always shows not activated and will do 3
3. If you don’t activate it in 10 days, it will be “grace time expired”, shut down every hour
4. If you don’t like the shutdown, either buy license to activate it or…
5. See below article  “How to stop expired Windows 2012 auto shutdown every hour”
Firstly download PsTools,This tool is provided in zipped format and you need to extract it somewhere. 
Create folder called - PS on C: drive 
We will extract all the contents of the zip file in C:\ drive into the folder PS (which we just cr
eated)
After that you need to start command prompt with Administrator privileges. To do this-- 
        ---Open- task manager.
        ---Go to- File
        ---Create- New Task
        ---Check the "Create this task with administrator privileges" checkbox.
        ---Type- cmd
        ---Press- Enter
You will see the command prompt. 
Type- c: 
Type- cd / 
Type- cd PS 
Type- psexec -i -d -s cmd 
Click- Agree on the license agreement dialog box 
Then you will get another command prompt running under "nt authoriy\system" 
To check if the command prompt is running under "nt authority\system"-- 
Type- whoami
You should see nt authority\system. 
Type- sc delete WLMS 
Type- regedit 
The above command will open registry editor 
Navigate to- HKEY_LOCAL_MACHINE->System->CurrentControlSet->Services 
Locate- WLMS 
Right click the Key and press delete. 
Restart the computer 
The simple way of doing it would be to open command prompt with administrator privileges and run the command  "sc delete WLMS" and then delete the WLMS key from the registry. However, if this doesn't work, you can try the above method which will work for sure..
Evaluation Versions and Upgrade Options for Windows Server 2012
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Updated: August 15, 2012
Applies To: Windows Server 2012
This document summarizes key information about evaluation versions of Windows Server® 2012, including where to obtain them, the limits on their use, and how to convert them to full retail versions. It also summarizes the supported upgrade paths from previously licensed retail versions of Windows Server to Windows Server 2012.
Evaluation versions of Windows Server 2012
Fully functional time-limited evaluation versions of Windows Server 2012 are available for the following editions:
∙ Windows Server 2012 Standard
∙ Windows Server 2012 Datacenter
∙ Windows Server® 2012 Essentials
These evaluation versions are 64-bit only and can be installed with the Server Core option or the Server with a GUI option. For more information about these installation options, how to convert between them, and how to use the new Minimal Server Interface and Features on Demand, see technet.microsoft//library/hh831786.
For all editions, you have 10 days to complete online activation, at which point the evaluation period begins and runs for 180 days. During the evaluation period, a notification on the Desktop displays the days remaining the evaluation period (except in Windows Server 2012 Essentials). You can also run slmgr.vbs /dlv from an elevated command prompt to see the time remaining.
Where to find evaluation versions
You can get evaluation versions by the following methods:
∙ Windows Server 2012 Standard; Windows Server 2012 Datacenter: from the TechNet Eva
luation Center (technet.microsoft/evalcenter/hh670538.aspx). These editions are also available as pre-created VHDs for use in virtualized environments.
∙ Windows Server 2012 Essentials: from go.microsoft/fwlink/p/?LinkId=266340
Limits of evaluation versions
All evaluation versions are fully functional during the evaluation period, although booting to Safe mode is not available. The Windows Server 2012 Standard and Windows Server 2012 Datacenter editions come with the activation key pre-installed. After the 180-day evaluation period elapses, the server warns you in various ways depending on the edition:
Windows Server 2012 Standard; Windows Server 2012 Datacenter:
∙ The following warning appears on the Desktop: Windows License is expired
∙ When you log on to Windows, you are prompted with the following options:
o Activate now
o Ask me later
server 2012 r2 密钥
∙ The system shuts down every hour.
∙ The only updates that can be installed are security updates.
∙ Event ID 100 from source WLMS “The license period for this installation of Windows has expired. The operating system will shut down every hour.” appears in the Application log.
Windows Server 2012 Essentials: you receive warnings on the Desktop and on the dashboard, but the server does not shut down.
Converting evaluation versions of Windows Server 2012 to full retail versions
Most evaluation versions can be converted to full retail versions, but the method varies slightly depending on the edition. Before you attempt to convert the version, verify that your server is actually running an evaluation version. To do this, do either of the following:
1. From an elevated command prompt, run slmgr.vbs /dlv; evaluation versions will include
“EVAL” in the output.
2. From the Start screen, open Control Panel. Open System and Security, and then System. View Windows activation status in the Windows activation area of the System page. Click View details in Windows activation for more information about your Windows activation status.

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