event id 4 the kerberos client received a krb_ap_err_modified error Calhoun Tennessee

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event id 4 the kerberos client received a krb_ap_err_modified error Calhoun, Tennessee

If you want to learn more about this error message, you can read the following article : http://support.microsoft.com/kb/811889 and this article that explains how the SPN should look like: http://blogs.technet.com/b/kevinholman/archive/2011/08/08/opsmgr-2012-what-should-the-spn-s-look-like.aspx You Is password changed the only possibility for this error? This is just a shot in the dark but. To view cached Kerberos tickets by using Klist: Log on to the Kerberos client computer.

Sign up for the preview at [email protected]… 2weeksago Follow @JesperMLC Recent Posts Lookup the SharePoint 2013 app-weburl Changing the colors of your SharePoint 2013 or Office 365 MySite SharePoint 2013 limits Did the page load quickly? I'll bookmark your weblog and check again here frequently. At the same time, in the event viewer of my systems I had the following error message : Log Name: System Source: Microsoft-Windows-Security-Kerberos Event ID: 4 Task Category: None Level: Error

Please contact your system administrator. I then ran a netdiag /fix from the Windows 2003 support tools. If the machine is not in same domain as the client reporting the error, verify that a duplicate computer does not exist in the local domain with the same name as Servers have DFS and IIS services installed.

I searched the knowledgebase's and forums and came up with many solutions to this error. x 219 Dave Murphy In my case, after setting up a cluster, I could not add a public store to the virtual node. Translating "machines" and "people" At first I was afraid I'd be petrified How to solve the old 'gun on a spaceship' problem? After updating servers I got new errors.

Configure delegation trust for the Application Pool account, Frontend- and SQL servers Configure http Service Principal Names (SPN) for the Frontend server NETBIOS-name and FQDN and bind it only to the You will need rerun in all forest and search the output from each. The target name used was HTTP/$servername$.$domain$.com.au. Event Details Product: Windows Operating System ID: 4 Source: Microsoft-Windows-Security-Kerberos Version: 6.0 Symbolic Name: KERBEVT_KRB_AP_ERR_MODIFIED Message: The kerberos client received a KRB_AP_ERR_MODIFIED error from the server %1.

Has anyone seen this problem with the username appearing here before? Verify To verify that the Kerberos client is correctly configured, you should ensure that a Kerberos ticket was received from the Key Distribution Center (KDC) and cached on the local computer. You can find information about this in Microsoft knowledgebase article KB244474 (http://support.microsoft.com/kb/244474/en-us)

  Other problems with Kerberos You can have other error-messages in your Windows eventlog, and please look all x 222 Max Symanovich When we have reinstalled a machine with a different name but the same IP address, we saw this error on client machines when they tried to connect

If the server name is not fully qualified, and the target domain (example.com) is different from the client domain (example.com), check if there are identically named server accounts in these two The Kerberos/4 error message was noted on a working station following the attempt to connect to the tombstoned station again using \\stationname\c$. So how do you troubleshoot this issue? Remember that the host-type is used if no http are configured.

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed There are two fixes for this scenario: 1.Access the server by the FQDN (e.g. Marked as answer by Amy Wang_Microsoft contingent staff, Moderator Monday, October 21, 2013 1:10 AM Edited by Amy Wang_Microsoft contingent staff, Moderator Monday, October 21, 2013 1:11 AM Tuesday, October 15, Comments: Kurisuchianu In my case the issue was due to scavenging not enabled in reverse DNS zones.

Write the text yourself, as a copy-paste can give problems (I suspect the Unicode-formatting to be different on some webpages). Best of luck. Please contact your system administrator. There were also communication problems with Kerberos, SPN (even though the SPN was set correctly in schema) recprds, and NLTEST was always unsuccessful.

Pool identity. This can occur when the target server principal name (SPN) is registered on an account other than the account the target service is using. You should keep it up forever! Commonly, this is due to identically named machine accounts in the target realm (FOO.BAR.STRIPE.LOCAL), and the client realm.

Ensure that the target SPN is only registered on the account used by the server. What is the fix? I resolved this problem by setting the DNS zone for the domain to Primary instead of Active Directory integrated. x 120 Anonymous We had this problem when updating the SPN value of the computer account in AD for our EMC storage.

The applications running on those computers where throwing a wobbler as well. Microsoft Customer Support Microsoft Community Forums home| search| account| evlog| eventreader| it admin tasks| tcp/ip ports| documents | contributors| about us Event ID/Source search Event ID: Event Source: Keyword Those server are new ones, I even tryed to reinstall servers with same roles. So the KRB_AP_ERR_MODIFIED error is coming from both DCs at the main office, not specific to one pc.

Before those member servers (new setup) worked fine for about 2-3 Month: Log Name: System Source: Microsoft-Windows-Security-Kerberos Date: 09.10.2013 02:47:27 Event ID: 4 Task Category: None Level: Error Keywords: Classic User: but if the ticket then ends up on pcB because of the DNS mismatch, the above events will be logged. Check for multiple mappings with the command: ldifde -d "dc=domain,dc=local" -r "servicePrincipalName=http*" -p subtree -l "dn,servicePrincipalName" -f output.txt   The http/NETBIOS and http/FQDN must only appear on one of the objects. From a newsgroup post: - Upgrade to the latest SP.

If you map these to more accounts/servers or do not map those correctly you get the error. Effects that i have: - no logon with RDP possible (wrong username or password) - Service which Relay on Kerberos Auth have Problems So when i reboot the server in most Bottom line, the SPN needs to be set on the appropriate object. The problem is that the error can come from in a couple of reasons.

At that moment I realized that I had changed the IP address of an adapter on PC-BLA10 because it conflicted with PC-BLA09. On the direct zone it was correct, but the records on the reverse zones were in some cases 5 years old. So I didn't understand why these errors were suddenly popping up. active-directory windows-server-2012-r2 kerberos share|improve this question edited May 6 '15 at 6:43 Andrew Schulman 5,17881835 asked May 6 '15 at 6:32 Timo77 2617 add a comment| 1 Answer 1 active oldest

In the event log of the server having this issue, event ID 4 appears with this message: The Kerberos client received a KRB_AP_ERR_MODIFIED error from the server gnserver$. This should solve your issues. https://support.microsoft.com/en-us/kb/558115?wa=wsignin1.0 0 Cayenne OP Force Flow Apr 17, 2015 at 1:43 UTC No luck. asked 1 year ago viewed 9589 times active 1 year ago Related 0Event ID 4 Kerberos3Use a preferred username but authenticate against Kerberos principal2RPCSS kerberos issues on imaged Windows workstations1Windows Server

How to get this substring on bash script? While this is overkill on the scale of killing a mouse with a thermonuclear weapon, it pointed in the direction of a network level problem. When users are connecting via their browser, an error in the users event log shows a Kerberos Event ID 4: The Kerberos client received a KRB_AP_ERR_MODIFIED error from the server $username$.