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Krb_ap_err_modified Error From The Server 1


If the server name is not fully qualified, and the target domain (domain.local) is different from the client domain (domain.local), check if there are identically named server accounts in these two Please contact your system administrator. On the direct zone it was correct, but the records on the reverse zones were in some cases 5 years old. Learn More Hybrid IT Converged/Hyperconverged End User Computing Server, Storage, Networking Messaging & Identity Management Latest Insight ConfigMgr: Cloud Distribution Points Behind Traffic Manager Cloud Cloud Adoption Strategies Private & Hybrid have a peek here

Open the file and search for all occurrences of the name list in the error 4 (omitting the $). Learn More Customer Engagement Mobile Apps Online Presence Internet of Things Digital Strategy Latest Insight Agile Testing Manifesto Workforce Optimization Business Productivity Process Automation Custom Development Mobility AnalyticsAnalytics & Insights Make You will need rerun in all forest and search the output from each. This discrepancy between the key that the DC I was using and the key that the DR site's DC was using was causing Kerberos authentication to fail. https://support.microsoft.com/en-us/kb/558115

The Kerberos Client Received A Krb_ap_err_modified Error From The Server Cifs

DNS was set correctly, there was a single SPN, and I wasn't about to rebuild an Exchange server, seeing as everything else seemed to be working, since I was able to This at least tells us that it IS in fact authentication related, so back to blaming our favorite hound of Hades.Next up is testing to make sure all the domain controllers Run the following command specifying the name of a GC as GCName.

Here is an example of how this can happen with two identically named machine accounts in separate forests. asked 1 year ago viewed 9680 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 Fixing the Security-Kerberos / 4 error ★★★★★★★★★★★★★★★ Damien CaroJuly 4, 20130 Share 0 0 While I was building my lab environment with the preview of System Center 2012 R2, I’ve encountered The Kerberos Client Received A Krb_ap_err_tkt_nyv Error From The Server Host Or was it?Another post I found had me try something so seemingly simple that I overlooked it: try to connect to it from my machine directly.

delete DomainA\Foo). This Indicates That The Target Server Failed To Decrypt The Ticket Provided By The Client share|improve this answer answered May 18 '15 at 21:12 Ryan Bolger 9,68322237 Thanks Ryan. Remove the account from ADUC. - Note the error mentions both the DC and a client - this error relates to two clients sharing the same IP and both having valid https://support.microsoft.com/en-us/kb/2706695 C:\System>dir \\ceo-computer\c$ Logon Failure: The target account name is incorrect.

Please feel free to ask us if there are any issues in the future. Krb_ap_err_modified Domain Controller This can occur when the target server principal name (SPN) is registered on an account other than the account the target service is using. This indicates that the target server failed to decrypt the ticket provided by the client. I would also reccomend to configure your DHCP to dynamically update records, you will need to provide credentials to do this.

This Indicates That The Target Server Failed To Decrypt The Ticket Provided By The Client

Full Messages:1. See ME558115 for additional information about this event. The Kerberos Client Received A Krb_ap_err_modified Error From The Server Cifs x 101 Anonymous In our case, Symantec Backup Exec 2012 was attempting to discover servers that are not being backed up causing these Kerberos errors on our backup server event logs.The Krb_ap_err_modified Windows Server 2008 Suggested Solutions Title # Comments Views Activity Disk Full of Space 6 52 119d remote services windows server 2 37 121d Reduce vmdk file & unallocated windows partion 12 56 14d

The target name used was ldap/server1.domain.com/[email protected] navigate here Is password changed the only possibility for this error? 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 You will need rerun in all forest and search the output from each. The Kerberos Client Received A Krb_ap_err_modified Error From The Server Domain Controller

To resolve this issue, please try to perform the following steps using Domain Admin credentials: Log on to a domain controller or another computer that has the Remote Server Administration Tools Normally the service ticket is encrypted using the shared secret of the machine account's password as a basis for the encryption used to encrypt the service ticket. Please contact your system administrator. =============================== Thank you 0 Question by:lwjoubert Facebook Twitter LinkedIn Google LVL 7 Best Solution byaboredman Check this: This event will occur if you present a service Check This Out x 77 Jason Felix This problem can be caused by an incorrect PTR entry for the offending workstation or server in Reverse Lookup Zones under DNS.

Deleting the old machine account from AD resolved the problem. Krb_ap_err_modified Spn However, for most Windows PCs, the Dynamic Updates feature of AD should do this for you. The target name used was cifs/ceo-computer.domain.local.

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However when I looked at my SPN settings, I had the following : C:\Users\Administrator.WSDEMO>setspn -Q MSOMSdkSvc/SCSMDW Checking domain DC=wsdemo,DC=com CN=SCSMDW,CN=Computers,DC=wsdemo,DC=com MSOMSdkSvc/SCSMDW MSOMSdkSvc/SCSMDW.wsdemo.com MSOMHSvc/SCSMDW MSOMHSvc/SCSMDW.wsdemo.com TERMSRV/SCSMDW All of the servers are Windows 2012 (not R2). Do this on each node in the CCR Cluster: HKLM\SYSTEM\CurrentControlSet\Services\RemoteRegistry\Parameters\DontUseSecureNPForRemote x 225 Robert Pearman This error is about identically named accounts - and appears to be quite popular. Resetting The Secure Channel Pw Of A Broken Domain Controller Solution applied: To solve this issue, I took the following steps: Unregister the bad service entry : setspn –D MSOMSdkSvc/SCSMDW SCSMDW Unregistering ServicePrincipalNames for CN=SCSMDW,CN=Computers,DC=wsdemo,DC=com MSOMSdkSvc/SCSMDW Updated object Register the

A quick check showed what I immediately suspected - DHCP was not updating DNS when an DHCP Renew request was processed and was using (very) old values. x 67 EventID.Net As per Microsoft: "Kerberos cannot authenticate the Web program user because the server cannot verify the Kerberos authentication request sent by the client. All mailbox stores came up afterwards. this contact form The same as 2, where you're trying to authenticate to the cluster, but you're actually authenticating to a node in the cluster, resulting in the above error.

Please ensure that the target SPN is registered on, and only registered on, the account used by the server. So the KRB_AP_ERR_MODIFIED error is coming from both DCs at the main office, not specific to one pc. Please contact your system administrator. The target name used was cifs/dc01.local.

Open the file and search for all occurrences of the name list in the error 4 (omitting the $).