I have two server: one for mailbox server and one for MTA Server. The system is running ok but today, I see that I can't start Zimbra on MTA Server. Each time I try to start, Zimbra said that:
Unable to determine enabled services from ldap.
Unable to determine enabled services. Cache is out of date or doesn't exist."
I have checked everything about hosts file, resolv.conf file, dns, ... and there are no problem. When I try to update key by zmupdateauthkeys on MTA server, I see the following error: "ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.net.ssl.SSLHandshakeException sun.security.validator.ValidatorException: PKIX path validation failed: java.security.cert.CertPathValidatorException: signature check failed)".
Please help me to resolve it.
Thank you so much!