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Spnego Error 40960

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Free Windows Admin Tool Kit Click here and download it now October 25th, 2011 5:21am Hi, According to my search, the following troubleshooting suggestions can be tried: Suggestion 1: Verify if The problem was that the Regional Settings for this one server were GMT Monrovia and the rest of the servers were GMT UK.Changing the setting resolved the issues. I would be surprised if a reboot fixed it. x 13 Patrick I have had the issue where at random intervals one computer user would have their account locked out, with event ID 40961.

Privacy Policy Site Map Support Terms of Use Home Forum Archives About Subscribe Network Steve Technology Tips and News LSASRV SPNEGO 40960 The security system detected an authentication error for the For testing we manually configured the DNS server address on a workstation which overrides the DHCP values. Two of them were replaced by more powerful machines. Covered by US Patent.

Lsasrv 40960 Automatically Locked

This computer could ping the domain controller but not vice versa. The 1006 and 1030 events showed me a disconnected user still logged onto this server, through his terminal server session. Is the server(s) having resource issues? In the eventlog on my remote pc's, I found the following events: Event ID: 40960 Source: LsaSrv Type: Warning Category: SPNEGO (Negotiator) Description: The Security System detected an attempted downgrade attack

You may get a better answer to your question by starting a new discussion. Start the KDC service. 7. PC Review Home Newsgroups > Windows 2000 > Microsoft Windows 2000 Active Directory > Home Home Quick Links Search Forums Recent Posts Forums Forums Quick Links Search Forums Recent Posts Articles Event Id 40960 0xc0000234 http://www.eventid.net/display.asp?eventid=40960&eventno=8508&source=LSASRV&phase=1 Event ID 40961 Source LsaSrv http://www.eventid.net/display.asp?eventid=40961&eventno=1398&source=LsaSrv&phase=1 Ace Fekay MVP, MCT, MCITP EA, MCTS Windows 2008 & Exchange 2007, MCSE & MCSA 2003/2000, MCSA Messaging 2003 Microsoft Certified Trainer Microsoft MVP

Sign up now! The failure code from authentication protocol Kerberos was "{Operation Failed} The requested operation was unsuccessful. (0xc0000001)". Is this private DNS or public one? Logging off the session and removing the user profile for the deleted account solved the problem.

x 9 Anonymous In our case, this error came every 90 minutes, together with event id 40961. Event Id 40960 Buffer Too Small x 14 Ajay Kulshreshtha In our case, description of the warning related to some time problem: The Security System detected an authentication error for the server ldap/nadc2..domain.net. Get 1:1 Help Now Advertise Here Enjoyed your answer? I am very familiar with the MaxPacketSize key and forcing TCP.

Event Id 40960 Lsa

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 So this event is caused by a misconfiguration of your network. Lsasrv 40960 Automatically Locked Oh, and the PREAUTH_FAILED can be safely ignored. The Security System Detected An Authentication Error For The Server Cifs/servername I've seen this in the past and creating a reverse zone cleared up the issue.

Our approach: This information is only available to subscribers. Further investigation revealed that the NIC was going into sleep mode and it was generating the errors. As for the SPNEGO errors, they have changed to "cannot because the referenced account is currently disabled" as I expected it would. The Debug logging writes to C:\Windows\Debug\netlogon.log In the netlogon.log, I found that my client on the remote location could not authenticate with Kerberos and tried to fallback to NTLM. Event Id 40960 Lsasrv Windows 7

If the server is not prisoner.iana.org but the local DNS server then it is possible that one of the services that is registering DNS records is running with an invalid account. x 102 Glenn Siverns This event with Error code 0xc000006f was being logged intermittently. Thanks for the help!!!!! Digger Ars Tribunus Angusticlavius Tribus: Hell Registered: May 13, 2000Posts: 6093 Posted: Sat Aug 28, 2010 8:53 am I did Google the question first before coming here, I was hoping someone

Soluton: User Logon Failures must be enabled. Event Id 40960 Lsasrv Windows 2008 I had this fixed as follows: 1. This is the first time I've saw it and this is w/o logging enabled.....Thanks for the help guys!

Users logging in onto the domain via RDP could not be authenticated, not even the domain administrator.

Email Reset Password Cancel Need to recover your Spiceworks IT Desktop password? The logon process from the XP clients took forever, GPs were not applied and access to network shares was not possible. Networking Hardware-Other Citrix NetScaler Networking Web Applications Introducing a Windows 2012 Domain Controller into a 2008 Active Directory Environment Video by: Rodney This tutorial will walk an individual through the steps The Security System Detected An Authentication Error For The Server Dns Join and Comment By clicking you are agreeing to Experts Exchange's Terms of Use.

I disabled all the adapters but the wireless and it worked fine. Disabling the firewall resolved the problem. Well I sure did and needed a way to put an end to this. Another case: Check the time on the workstation.

The failure code from authentication protocol Kerberos > > was "There are currently no logon servers available to service the > > logon request. > > (0xc000005e)". > > > >