this error is happened when i am trying to change domain
first i rename hostname then i trying to change domain
from to using the command
[zimbra@mail ~]$ zmprov -l rd
ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.naming.CommunicationException

i changing my hosts file and the split dns and mx records but it still give me that error

my hosts file
# Do not remove the following line, or various programs
# that require network functionality will fail. localhost.localdomain localhost mail

any ideas can help???