How To Resolve Open Directory Server Not Found In Kerberos Database

This guide was written to help you if you receive the error message “The Open Directory server was not found in the Kerberos database.”

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  • Weblogic 12.2.1.4 is reproduced on Windows 10 host to join Active Directory.
  • JVM 1.8.0_281
  • The Gourmet Cafe web application uses Java GSSAPI to access a file share via Samba, using the entire code from https://github.com/hierynomus/smbj/issues/304#issuecomment-375603115.
  • This is a machine builder – Java system property “user.name” displays the developer’s Windows username
  • Red Hat Enterprise Linux 7 Linux circular file server optimized with sssd to connect to Active Directory
  • A Linux file server running Red Hat Enterprise Linux 6 that does not use an SSD, uses Winbind (it is not known exactly how it is configured for Active Directory)
  • From what I’ve been able to glean from third-party conversations with sysadmins, MIT Kerberos is somehow involved in connecting certain Linux servers to Active Directory, but I have no further advice on this topic.

    (Note: Server error occurs when rendering skid tables k – table frameworks are correct in preview, but missing in the actually posted question, so they show up in the code block for now, so it doesn’t all add up)

    | Source (all on the same Windows Ten computer) | Target File Server | Result || ----------------------------------------- | ------ - ------ | --------- || Weblog Application | REL 6 | Success || Weblog Application | REL 7 | ** Error: ** Server not found in Kerberos database || Windows Explorer | REL 6 | Success || Windows Explorer | REL 8 | Success | open directory server not found in kerberos database

    Trace results of Weblogic settings (according to the Java system property sun.security.krb5.debug in the sense of true ):

      KrbAsReqBuild: PREAUTH FAILED / REQ, resend AS-REQUsing the built-in default for etypes default_tkt_enctypesDefault because of etypes default_tkt_enctypes: 18 17 2007 23Using the built-in default for etypes default_tkt_enctypesdefault with etypes default_tkt_enctypes: 18 17 12 23>>> EType: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType>>> KrbAsReq creates a messagegetKDCFromDNS UDP>>> Send with KrbKdcReq: kdc = ****************. UDP: 88, timeout = 30,000, retry count = 3, # bytes = 233>>> Kdc = ******************* kdc link :. UDP: 88, timeout = 30000, try # bytes = 233>>> = 1, send KrbKdcReq: # bytes read = 100>>> KrbKdcReq-Mail: kdc = *******************. TCP: 88, timeout = 30000, number of pauses = 3, # bytes = 233>>> KDC Link: kdc = *******************. TCP: 88 = 1, timeout = 30000, try # bytes = 233>>> DEBUG: TCPClient reads 2695 bytes>>> Send KrbKdcReq: # bytes read = 2695>>> KdcAccessibility: remove ******************** .: 88>>> Electronic type: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType>>> KrbAsRep down the page in KrbAsReq.getReply ******Found a ticket for ***** @ ******** to krbtgt / ****** @ ****** expiring ******Krb5Context.initSecContext entry with state = STATE_NEWRemedy from ****** @ ********* found to work on ****** krbtgt / ***** @ ******The service ticket was not noticed in the topic>>> Credential ServiceCredsSingle: Extremely ScopeUsing standard built-in etypes versus default_tgs_enctypesdefault etypes for default_tgs_enctypes: 18 17 3 years ago 23>>> EType: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType>>> CksumType: sun.security.krb5.internal.crypto.HmacSha1Aes256CksumType>>> EType: sun.security.krb5.internal.crypto. Using aes256ctshmacsha1etypegetkdcfromdns UDP>>> Send KrbKdcReq: kdc = ************. TCP: 88, timeout = 30000, number of repetitions # bytes = 2633>>> = 3, KDC link: kdc = ************. TCP: 88, timeout = 30000, try = 1,# bytes = 2633>>> DEBUG: TCPClient reads 104 bytes>>> Send KrbKdcReq: # bytes read = 104>>> KdcAccessibility: Remove *************. : 88>>> KDCRep: init () encoding tag is 126, req type is 13.>>> KRB error:        Time **********        suSec is considered **********        Error code 7        Error message missing server in Kerberos database        the name is considered cifs / ************ @ ************        Message type 30 
    

    Searching for "Server not found in Kerberos database" leads to a number of ready markets (most common question is DNS, other users' responses suggested SPN connections, use TLS certificates, no FQDN). , poor host-to-domain mapping, host not only part of the domain, IPV4 vs IPV6)

    Network administrators say DNS is excellent, which seems to be backed by the fact that Windows bypass can connect to RHEL 8 server without issue. But none of them wants to blame Java code alone because it connects successfully to the RHEL server with a half dozen.

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  • I'm having a hard time finding a clear explanation of where and which Kerberos entries should be configured.

    Is it important What about the Windows 10 Kerberos Database, File Server, or Active Directory KDC? Or are there custom copies of this Kerberos database that require input?

    Edit - Additional InformationI've learned a few new things, so I can provide more details.

    All of the above applies to purchasing Windows at the request of a development computer.

      C: > echo% userdnsdomain%DC1.DC2.DC3 
    
      C: > powershell Get-ADComputer server1Distinguished Name: CN = SERVER1, OU = ou1, OU = ou2, OU = ou3, DC = dc1, DC = dc2, DC = dc3DNSHostName: server1.dc2.dc3Included: trueName: SERVER1Object class: computersObjectGUID - aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaaaaaSamAccountName: server1 $ID: **************************************UserPrincipalName:C: > setspn -L server1ServicePrincipalNames registered for CN = SERVER1, OU = ou1, OU = ou2, OU = ou3, DC = dc1, DC = dc2, DC = dc3:        Hte / server1.dc2.dc3        HTE / SERVER1C: > nslookup-Server1Server: aa1.dc2.dc3Address: 123.456.789.01Name: server1.dc2.dc3Address: 123.456.7.890C: > nslookup 123.456.7.890Server: aa1.dc2.dc3Address: 123.456.789.01Name: server1.dc2.dc3Address: 123.456.7.890 
    
      C: > powershell Get-ADComputer server2Distinguished Name: cn = server2, ou = ou4, dc = dc1, dc = dc2, dc = dc3DNS hostname: server2.dc1.dc2.dc3Included: trueName: SERVER2Kla  from object> computerOBJECT GUID: bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbbSamAccountName SERVER2 $SID: ~ ****************************************UserPrincipalName:C: > setspn -L server2ServicePrincipalNames registered for CN = SERVER2, OU = ou4, DC = dc1, DC = dc2, DC = dc3:        RestrictedKrbHost / SERVER2        HTE / SERVER2        RestrictedKrbHost / SERVER2.dc1.dc2.dc3        HTE / SERVER2.dc1.dc2.dc3C: > nslookup-Server2Server: aa1.dc2.dc3Address: 123.456.789.01Name: server2.dc1.dc2.dc3Address: 12.345.6.78C: > nslookup 12.345.6.78Server: aa1.dc2.dc3Address: 123.456.789.01Name: server2.dc2.dc3Address: 12.345.6.78 
    
      >>> ---- Identifiers ---- Debug: Owner: [email protected]        Server: cifs/[email protected]        Parking ticket: name: cifs/[email protected] open directory server not found in kerberos database

      >>> KRB error:  ...         Exit code 7         Error message: Server not found in Kerberos database         name: cifs/[email protected]         msgType celebrates its 30th anniversary. be 

  • Successful server (RHEL 6) skips "dc1" in some places (but not all)
  • Those that succeed with an unsuccessful name differ only in every part of the server - otherwise they climb to the "dc" values.
  • The servers are in different OUs (although I don't think this is a problem)
  • Some changes have been made to the feelingcase sensitivity when checking results.
  • The nslookup results for server2 appear to differ depending on whether the lookup is by server name (including dc1 ) Protocol or internet address (except dc1 )
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