Why is a Windows 7 client getting a message indicating time and/or date is different than that on my Server 2008 R2?`
Windows 7 client is receiving this message when trying to login to the server: "there is a time and/or date difference between the client and server"
September 19th, 2011 10:37am

Did you verify the time on the PC? If the client computer's time or date is not synchronized with the authenticating domain controller, Kerberos validation does not succeed http://support.microsoft.com/kb/232386 http://social.technet.microsoft.com/forums/en-US/itprovistasecurity/thread/71a0f8cb-c0f0-4647-bc54-9a18e56800fc Santhosh Sivarajan | MCTS, MCSE (W2K3/W2K/NT4), MCSA (W2K3/W2K/MSG), CCNA, Network+ Houston, TX Blogs - http://blogs.sivarajan.com/ Articles - http://www.sivarajan.com/publications.html Twitter: @santhosh_sivara - http://twitter.com/santhosh_sivara This posting is provided AS IS with no warranties,and confers no rights.
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September 19th, 2011 10:45am

You can make a NTP (Network Time Protocol) server to keep all of the clients in sync. What Santhosh is saying is probably true, so just change the time to that of your server and the problem should be fixed. I thought that if the time was more then a minute different it gave a message like that. Good luck NavarroIT
September 19th, 2011 11:02am

Hello, this is due to a difference between time on client and server. It is important that your client computers have the same time as DCs. For that, they should be able to sync time with the PDC Emulator. Also, I recommend configuring the PDC to sync time with an NTP server. Note that, by default, if this difference exceed 5 minutes, you will have Kerberos failures. This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner 2010 / 2011 Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Applications Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows 7, Configuring Microsoft Certified IT Professional: Enterprise Administrator Microsoft Certified IT Professional: Server Administrator
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September 19th, 2011 12:13pm

Hi, Besides the above suggestion, please also have a look at the following articles: Authentication failure from non-Windows NTLM or Kerberos servers http://support.microsoft.com/kb/976918 Time configuration in a Windows Domain http://msmvps.com/blogs/mweber/archive/2010/06/27/time-configuration-in-a-windows-domain.aspx Hope this helps. Regards, Bruce Forum Support Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.
September 19th, 2011 1:26pm

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