Issue set to the milestone: SSSD 1.5.0. 2010-07-19 05:19 AM. Reply. Excelent catch @dnutan. I have installed a KDC on the ambari - 141026. System with sssd using krb5 as auth backend. You So I deleted the Computer Account and re-run CIFS setup. kpasswd service on a different server to the KDC 2. I have managed to get it working with my trialruns using CentOS7. RHEL system is configured as an AD client using SSSD and AD users are unable to login to the system. kinit admin kinit . Hi all, I'm trying to set up a kickstart that includes registering in the local AD. Enter passwords Actual results: tvmo_tvmo. Other hosts with Puppet agents installed Release: MSPSSO99000-12.8-Single Sign-On-for Setting up a Kerberos Client for Smart Cards 11.5. Aug 5 13:20:59 slabstb249 [sssd[ldap_child[1947]]]: Failed to initialize credentials using keytab [/etc/krb5.keytab]: Cannot find KDC for requested realm. This is CentOS 6, sssd-1.8.0-32.el6.x86_64. Unable to create GSSAPI-encrypted LDAP connection. Adding more Puppet-managed hosts. 1, remove the code to set java.security.krb5.kdc and java.security.krb5.realm before the second login. When I make a klist, the ticket is displayed. Enter passwords Actual results: "kpasswd: Cannot contact any KDC Including using a dedicated KeyTab to register the machine. 7,045 Views. Hello. The same command in a fresh terminal results in the following: kinit: Cannot contact any KDC for realm 'CUA.SURFSARA.NL' while getting initial credentials. Cannot contact any KDC for requested realm. Any ideas ? I got problem with this auth. Step:2 Now Join Windows Domain or Integrate with AD using realm command. Problem summary. When (-1765328228): Cannot contact any KDC for requested realm Trying to connect on port 389 from the Domain Controller 2010-07-19 05:19 AM. Cannot resolve KDC for requested realm ( KDC ) : Kerberos KDC : Kerberos (krb5.conf) realm KDC kdc = domain-controller-fqdn} [domain_realm] domain-dns-name = REALM.domain-dns-name = REALM. After kinit user1 successfully I tried to change passwd with kpasswd user1 $ kpasswd user1 Password for user1@EXAMPLE.COMN: Enter new password: Enter it again: kpasswd: Cannot N is a number from 1 to 10. cd /opt/hadoopclient . Status=-1765328228, Major Status=851968, Message=Cannot contact any KDC for requested realm] How can we fix this ? source bigdata_env . SSSD: Cannot find KDC for requested realm . According to Michael in the only answer (until now) for the question Samba4 and Kerberos configuration on a dedicated server, there is no need to install krb5-kdc/krb5-admin-server . When krb5.conf is configured to authenticate through an HTTPS proxy while no internet connection is available, sssd promptly fails even though cache_credentials is enabled: Aug 11 23:04:43 Cannot contact any KDC for requested realm while The process run by realm join follows these steps: Running a discovery scan for the specified domain. The domain-dns-name parameter in this context is the DNS domain name, such as example.com. An optional port number, separated Re-run puppet agent --test on the Foreman host to see the NTP service automatically reconfigured by Puppet and the NTP module.. vasd will stay in disconnected mode until this replication takes place. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! DevOps & SysAdmins: kinit & pam_sss: Cannot find KDC for requested realm while getting initial credentialsHelpful? Here is an excerpt from the MIT docs: Realm name Although your Kerberos realm can be any ASCII string, convention is to make it the same as your domain name, in upper-case letters. I noticed that the time was out of sync with the domain and no NTP servers were configured. If kdcinfo.$REALM exists, kpasswd then looks for /var/lib/sss/pubconf/kpasswdinfo.$REALM, which never gets created. Password for admin@IPA.OSRIC.NET: According to the krb5.conf documentation on realms: kdc. Attempted to join Active Directory domain 1 using domain user administrator@example.com. In words: The Key Distribution Center (KDC) uses a certificate without KDC Extended Key Usage (EKU) which can result in authentication failures for device certificate logon and smart card logon from non-domain-joined devices [email protected] tried exporting certificates into a Assuming the password youre using is right, this may be because the principal name With over 10 pre-installed distros to choose from, the worry-free installation life is here! Problem summary: The problem is caused by a improper KDC search. Automatic installation of the packages required to join the system to the domain. Code: Select all kinit: Cannot contact any KDC for realm 'DOMAIN.COM' while getting initial credentials Cannot contact any KDC for requested realm while initializing kadmin interface Reply. Issue. The realm should always be in upper case. Setting up Cross-Realm Kerberos Trusts" It appears that the computer object has not yet replicated to the Global Catalog. No translations currently exist. ~~~ /sbin/realm join --verbose --computer-ou="." example.com ~~~ But when I started with a RHEL7 server intended for live use the KeyTab does not work for joining the Unfortunately SSSD prefers this value if available and as described in the bugzilla tickets it is currently not possible to . and from the client: # kinit user kinit: Cannot contact any KDC for realm 'EXAMPLE.COM' while getting Note that OpenSSH compares the name of principal unchanged but SSSD low-cases the realm part, thus real user name is Administrator@realm, not administrator@realm, when trying to logon with Kerberos ticket over SSH. We have several domain-joined servers running RHEL7 and configured (as per the Red Hat docs) to use SSSD for identity management and authentication. realm command realm join example.com -U administrator@example.com was executed with Cannot contact any KDC for requested realm. 11.2.3. Title Authentication Services "error = Cannot contact any KDC for requested realm" Description The example given is with the debug switch (-d5) enabled, which provides more detailed error Setting up Cross-Realm Kerberos Trusts" Collapse section "11.5. Set its value to your Kerberos realm. kinit: Cannot find KDC for realm while getting initial credentials This issue happens when there is kerberos configuration file found but displayed is not configured in the kerberos configuration file. Denying me the possiblity of restrict the authentication based on an AD group , because the declared group under sssd.conf cannot be found. kpasswd service on a different server to the KDC 2. Steps to Reproduce: 1. Solved: kdc-unreachable.jpg I am trying to kereeberise my HDP cluster. KRB5_KDC_UNREACH (-1765328228): Cannot contact any KDC for requested realm. or 2, do not specify the Kerberos config file and set java.security.krb5.kdc and java.security.krb5.realm before the first login. DevOps & SysAdmins: kinit & pam_sss: Cannot find KDC for requested realm while getting initial credentialsHelpful? Still if it does not work then "Disable and then Enable" Kerberos should take care of this. It seems like it has something to do with the files in /var/lib/sss/pubconf going missing, which causes sssd-krb5 to fail with: Cannot find KDC for requested realm. But i guess regenerating keytabs should be ok. New Contributor. Contact Us; Customer e.g. You can increase the verbosity of output from SSSD by setting the debug_level=N directive in /etc/sssd/sssd.conf. Else the existing keytabs might be having old references. I only see errors on the FreeNAS side. The FreeNAS server can also join the domain from the replication site. Once you have defined your realm and KDC, click the Apply button. Failing to join: "unable to reach any KDC in realm" Description. The problem is, when I try to connect with FreeNAS Active Directory settings, it times out and I get a Cannot contact any KDC for requested realm. 3 comments Member DavidePrincipi commented on Nov 14, 2017 Configure a local AD accounts provider Create a config backup Restore the config backup on a clean 7.4 Update/Reinstall krb5-libs in nsdc container Restart samba service in nsdc container Ambari UI --> Admin (Tab) --> Kerberos --> "Regenerate Keytabs". Run 'kpasswd' as a user 3. Mark as New; kinit: Cannot contact any KDC for realm 'EXAMPLE.COM' while getting initial credentials. If this value is not set, then a realm must be specified with every Kerberos principal when I noticed that the time was out of sync Initially, everything seemed fine but we Ive installes sssd on a Centos7 server and im able to login using may Active Directory credentials, however the id command does not resolve the group names of the AD . When we install above required packages then realm command will be available. Join the domain. Which result with terminating the child without sending a reply kerr = Next message (by thread): [Freeipa-users] Cannot find KDC for realm "MYDOMAIN.NET" - AD trust and UPN issues Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] > On 05/06/2015 02:15 PM, nathan at nathanpeters.com wrote: >> Ok, I have attempted to set this up by adding the AD domain to my >> configuration and it still isn't working. There are no errors I can find on the domain controller. The REALM is the Kerberos realm name in uppercase, such as EXAMPLE.COM. Joining the domain by creating an account entry for the system in the directory. If krb5_child can't contact kdc: (Thu May 18 13:23:17 2017) [[sssd[krb5_child[125945]]]] [get_and_save_tgt_with_keytab] (0x0020): 1459: [-1765328228][Cannot contact any KDC for requested realm] We bubble up with ERR_CREDS_EXPIRED. Setting up Cross-Realm Kerberos Trusts Expand section "11.5. Issue #829: unable to resolve the kdc if the kdcinfo.REALM-NAME file is missing - sssd - Pagure.io sssd-1.5.3-2.fc15.x86_64 krb5-workstation-1.9-6.fc15.x86_64 But this has certainly been hello, I'm having issues adding a filer to an AD domain. In this example, as shown previously the realm on the KDC is EXAMPLE.COM, the IP address of our KDC is 192.168.1.13 as I do not have DNS setup I am not able to use the FQDN, and the admin server is also the same as the KDC as this is where kadmin is running. Run 'kpasswd' as a user 3. The name or address of a host running a KDC for that realm. userPrincipalName attribute in AD contains a value we currently cannot use. Clicking the YAML button when back on the host page will show the ntp class and the servers parameter, as passed to Puppet via the ENC (external node classifier) interface. You must put this directive in EACH section of Including using a dedicated KeyTab to register the Don't know about AWS custom rules, but from a vanilla Kerberos point of view, it looks like you have a problem mapping network domains to Kerberos realms-- your Kerberos ticket is granted for I have managed to get it working with my trialruns using CentOS7. The text was updated successfully, but these errors were encountered: sssd-bot added the Closed: Fixed label on May 2, 2020. sssd-bot closed this on May 2, 2020. sssd-bot SSSD must be configured to use Active Directory as its identity Created 05-12-2016 05:41 AM. Kerberos Key Distribution Center Proxy 11.3. Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. Currently I'm suspecting this is 5,667 Views 1 Kudo davidlu1001. System with sssd using krb5 as auth backend. First, I get the kerberos ticket with kinit. I'm setting up openLDAP with SASL authentification with kerberos. Solved: kdc-unreachable.jpg I am trying to kereeberise my HDP cluster. We will use beneath realm command to integrate CentOS 7 or RHEL 7 with AD via the user tech. Issue assigned to sbose. If krb5_child can't contact kdc: (Thu May 18 13:23:17 2017) [[sssd[krb5_child[125945]]]] [get_and_save_tgt_with_keytab] (0x0020): 1459: [-1765328228][Cannot contact any KDC for default_realm Identifies the default Kerberos realm for the client. . Configuring a Kerberos Client 11.4. Solution Verified - Updated 2016-10-01T16:07:26+00:00 - English . Environment. Solution Verified - Updated March 30 2022 at 2:42 PM - English Issue SSSD service is failing. kpasswd uses the addresses from kdcinfo.$REALM as the kadmin server, Hi all, I'm trying to set up a kickstart that includes registering in the local AD. I have installed a KDC on the ambari - 141026. I can login using kinit just fine, but sssd fails when using ssh. Creating the /etc/krb5.keytab host keytab file. I'm having issues adding a filer to an AD domain.