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Thread: Zimbra won't start because of LDAP error caused by DNS Records changes (maybe).

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  1. #1
    Join Date
    Mar 2014
    Rep Power

    Unhappy Zimbra won't start because of LDAP error due to changes in DNS Records (maybe).

    Hi folks!
    We have a problem with the Zimbra Service either when we try to start it manually or when it auto-loads itself at the boot time due (apparently) to an LDAP problem!
    Previously, we had changed DNS Records such as MX and others in order to change the server to a new one, so, when we got back to the old server, the described problem had appeared.

    Now, the question is, How can I do to start the Zimbra service without it to check the DNS or whatever, just to perform a backup and move data to the new server??
    Can I keep MDA without MTA? And take the emails back via IMAP for example?

    I paste here some outputs I get...

    zimbra@mail:~$ zmcontrol status
    Unable to determine enabled services from ldap.
    Unable to determine enabled services. Cache is out of date or doesn't exist.
    zimbra@mail:~$ zmcontrol start
    	Starting ldap...Done.
    Failed to start slapd.  Attempting debug start to determine error.
    531f4e85 ldif_read_file: checksum error on "/opt/zimbra/data/ldap/config/cn=config.ldif"
    And the content of /opt/zimbra/data/ldap/config/cn=config.ldif
    zimbra@mail:~$ cat /opt/zimbra/data/ldap/config/cn=config.ldif
    # AUTO-GENERATED FILE - DO NOT EDIT!! Use ldapmodify.
    # CRC32 a94d2d98
    dn: cn=config
    objectClass: olcGlobal
    cn: config
    olcConfigDir: /opt/zimbra/data/ldap/config
    olcArgsFile: /opt/zimbra/openldap/var/run/slapd.args
    olcAttributeOptions: lang-
    olcAuthzPolicy: none
    olcConcurrency: 0
    olcConnMaxPending: 100
    olcConnMaxPendingAuth: 1000
    olcGentleHUP: FALSE
    olcIdleTimeout: 0
    olcIndexSubstrIfMaxLen: 4
    olcIndexSubstrIfMinLen: 2
    olcIndexSubstrAnyLen: 4
    olcIndexSubstrAnyStep: 2
    olcIndexIntLen: 4
    olcLocalSSF: 128
    olcPidFile: /opt/zimbra/openldap/var/run/
    olcReadOnly: FALSE
    olcSaslSecProps: noplain,noanonymous
    olcSockbufMaxIncoming: 262143
    olcSockbufMaxIncomingAuth: 16777215
    olcThreads: 8
    olcTLSCertificateFile: /opt/zimbra/conf/slapd.crt
    olcTLSCertificateKeyFile: /opt/zimbra/conf/slapd.key
    olcTLSCACertificatePath: /opt/zimbra/conf/ca
    olcTLSCRLCheck: none
    olcTLSVerifyClient: never
    olcToolThreads: 2
    olcWriteTimeout: 0
    structuralObjectClass: olcGlobal
    entryUUID: 1525b684-333e-102d-86f5-d562901af228
    creatorsName: cn=config
    createTimestamp: 20081020215916Z
    olcLogLevel: 49152
    olcSecurity: ssf=0
    entryCSN: 20120216121658.571697Z#000000#000#000000
    modifiersName: cn=config
    modifyTimestamp: 20120216121658Z
    Last edited by cperezabo; 03-11-2014 at 02:05 PM. Reason: Improved Explanation

  2. #2
    Join Date
    Sep 2006
    477 Congress Street | Portland, ME 04101
    Rep Power


    Zimbra is very sensitive to DNS as you have seen.

    Your old Zimbra server will need DNS to be the way it was previously to start. You can use /etc/resolv.conf to point it to a DNS server configured the way things were, or just install BIND9 on the Zimbra server and configure that DNS server to be the way things were.

    Hope that helps,

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