i want to know minor and major changes in windows 2012 and windows 8 comparing to lower versions?

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That's a huge question and there have been a lot of articles written on what's new in Windows Server 2012 and Windows 8. Note that now you also have Windows Server 2012 R2 and Windows 8.1, which have introduced even more changes. Also, in terms of comparing to prior versions are you talking about Windows 7, Windows Vista, Windows XP, Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, and/or Windows Server 2008 R2? There are literally thousands upon thousands of changes among all of these versions. I don't think there is a way to answer your question. Also, to each person or company which changes matter is going to depend on what features you use and what features you don't use.

That being said, let me offer a few suggestions:

  1. Read some of the many articles that have been written by Microsoft and others about the recent changes to Windows.
  2. Take an inventory of what matters to you and search Google to find out what has changed in that feature. For example, "DHCP changes in windows server 2012 r2" or "offline files in Windows 8."
  3. Download the free evaluation copies and run those to see what's different. You can even skip the download and run Windows Server direcly on Azure so you don't need to provide hardware or do an install.
    Windows Server: http://technet.microsoft.com/en-US/evalcenter/dn205286.aspx
    Windows 8.1: http://technet.microsoft.com/en-us/evalcenter/hh699156.aspx
  4. If you have specific concerns, let us know what they are and we'll see if we can help.


Answered 05/02/2014 by: nmorris
Senior Yellow Belt

  • thanks for ur rply ,
    coming to my issue , one of application installed in 2008R2 and 2012R2 , but when users connected from RDP this application is not working properly in 2008R2 , and working fine 2012R2, i have installed in other vm's also but same issue i am experiencing in all 2008R2 operating systems, so i want to know the changes for RDP in 2012R2 .
    • I don't run a Server 2012 R2 terminal server so I can't speak directly to this. However here is how I would troubleshoot this:

      1. This is the one I seem to forget but yields the quickest and best results: check the log files and google the exact text of any error messages. You would be amazed how quickly you can find others with the same problem and often a great solution too. If that doesn't work, proceed.

      2. Does the application run when logged into the console? If not, determine if the application is compatible with Server 2012 R2 and/or if there are settings that need to be modified to make it work properly. If so, continue.

      3. Does the application run when logged in remotely as an administrator?

      If not, the issue is related specifically to running the application under terminal services. Look through the Windows event logs and any other application-specific logs to see if you can find an indication of what is failing and why.

      If it does work when logged in as an Administrator that would indicate you have a permissions issue for the user account. Review the required permissions and check file system, registry, DCOM, and any other permissions that may be required for the user in question.

      A great tool to see the activity of a process and what actions are getting blocked is Microsoft's Process Monitor: http://technet.microsoft.com/en-us/sysinternals/bb896645.aspx . This tool will flood you with data so run it for as short a time as possible, then use the filters to see only activity from the .exe file you are running. Hopefully you can identify what is breaking and then you'll have an idea of how to fix it.

      Hope this helps.

      • thank u very much friend,
        as you send process tool which will be helpful and can u suggest me port monitoring tool , because i am facing port (UDP)crashing while listening to audio . so can u plz suggest me a ports monitoring tool ,
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