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After disconnecting it, all returned to normal. See MSW2KDB for more details on this event. Account lock out examiner (http://www.microsoft.com/en-us/download/details.aspx?id=18465) 2) Once identified infected machine, Do virus cleanup with your antivirus software. 3) Check for any security patches or hot fix is required. Since Windows 2008 R2 does not have NTLM enabled by default, the authentication consequently failed.

x 14 Anonymous If you are getting this combined with event id 40961 from source LsaSrv, check for a missing Client for Microsoft Networks in your network components. Privacy Policy Site Map Support Terms of Use Toggle navigation About Contact Event 40960 and 40961 after upgrade to Windows 2008 R2 domain controller April 6, 2011 Christian Windows 2008, Windows x 9 K-Man I experienced this problem on Windows XP workstations, when users logged into a terminal server and terminal sessions were disconnected (but not terminated). Even thought i made these changes, the host server had no problems with domain for approximately 2 months.

Outlook would prompt for credentials when launched (which did not work when proper credentials were entered) and the only connection to the exchange server was through a vpn connection. You can check it by typing: net time /querysntp - For NTP server settings nltest /dclist: domain name - To find the PDC in the domain At the end, compare the Analysis should be done in various angles and thus diagnosis will be specific to the findings. Renaming and rejoinging of systems did not fix the issue, neither did re-promoting of DCs.

See this similar thread too: Event ID 40690 - Accounts keep locking out http://social.technet.microsoft.com/Forums/en/winservergen/thread/8c684d03-c075-4015-8799-03ee9f1cd853 http://social.technet.microsoft.com/Forums/en-US/w7itprosecurity/thread/e1ef04fa-6aea-47fe-9392-45929239bd68/ Hope this helps Best Regards, Sandesh Dubey. x 10 Ingo Wittig I was receiving this event on a Dell Optiplex running Windows XP SP2 that was set up for 24 hour access to the network. Hope springs eternal.I have already updated the NIC driver and checked the Time sync issues on both sides, missed the MTU, I will look into that and the stored password settings.AS One of the users was a consultant here for a day, and he remained logged in via RDP to our DC's.

You can get this detail from account lock out tool whichwillprovide the source from which the accounts aregettinglocked. To check for errors in policy processing, review the event log. ----------------------------------------------------------------------------------------------------------------------------- When i check the event viewere under 'Application' I see the following message ----------------------------------------------------------------------------------------------------------------------------- Event Type: Error Event Source: Implementing all the updated specified in ME948496 and ME244474. In my case it took a minute or so for all problems to vanish.

x 11 Dale Smith In my case, a WinXP workstation logged events 40960 and 40961 from source LsaSrv as well as event 1053 from source UserEnv. reboot and the join the domain again (after resetting the computer account in AD). The computer then started normally. Restarting these domain controllers removes the Kerberos tickets.

In the case where the DNS Server used does not have the Reverse Lookup Zone and/or no PTR Record for their DNS Server, the request gets forwarded out to the Internet. For example, there is nothing worse than approving updates and they just haveā€¦ Windows Server 2003 Transferring Active Directory FSMO Roles to a Windows 2012 Domain Controller Video by: Rodney This We set the following reg key to a value of 1 to force Kerberos authentication to use TCP instead of UDP and everything worked perfectly. We fixed the problem by increasing the VPN MTU from 1400 to 1500.

Here's another one specific for your VM. See this similar thread too: Event ID 40690 - Accounts keep locking out http://social.technet.microsoft.com/Forums/en/winservergen/thread/8c684d03-c075-4015-8799-03ee9f1cd853 http://social.technet.microsoft.com/Forums/en-US/w7itprosecurity/thread/e1ef04fa-6aea-47fe-9392-45929239bd68/ Hope this helps Best Regards, Sandesh Dubey. The Event is below. Reply Leave a Reply Cancel reply Your email address will not be published.Comment Name Email Website Post navigation Event 5740 and 5649 with POP3 authentication and Biztalk ServerHTTP Redirect missing in

Also check the replication between DCs, I'm sure there might be an issue. All of this information looks like the suggestions offered by the microsoft web site. Subscribe to our monthly newsletter for tech news and trends Membership How it Works Gigs Live Careers Plans and Pricing For Business Become an Expert Resource Center About Us Who We Solution: On the local DNS Server, create a Reverse Lookup Zone, and enter a record for your DNS Server.

After I restart the server the same problem persists I thought maybe VMware and virtual machine were creating problems so I uninstalled the VMware software but still have the same problem. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. ---------------------------------------------------------------------------------------------------------------------------- I don't know what else to do. You may get a better answer to your question by starting a new discussion. Netdom trust trusting_domain_name /Domain:trusted_domain_name /UserD:user /PasswordD:* /UserO:user /PasswordO:* /reset Notes The trusting_domain_name placeholder represents the name of the trusting domain.

The DC itself or another server in the domain? Using the procedure in ME325850 reset the machine account password. 5. We explain the basics for creating useful threat intelligence. I re-enabled, rejoined to the domain and everything start working again after that. 0 Pimiento OP B D Dec 31, 2013 at 4:32 UTC 1st Post Custom Information

We ran the DCdiag tool in verbose mode (/e /v /c /f) for the entire forest and found that one site ( - indicated in the above description) had misconfigured time-server Connect with top rated Experts 11 Experts available now in Live! Exchange the designated domains in the trusting_domain_name and trusted_domain_name parameters from step 1, and then run the Netdom trust command again. Removed any additional default gateway from each network interface. 2.Configured only primary and secondary DNS servers for each server network interface. 3.

The domain controllers could ping each other, connect to network shares, but could not get objects from AD. This is either due to a bad username or authentication information. (0xc000006d)". x 9 Peter Van Gils According to a newsgroup post, this error might be caused by problems with the W32time service. It looks like a network issue to me, please check AD related ports are in listening state or not.