problems on backup using zmprov
I have a problems on backup the zimbra using zmprov when i tried the command I have notication below :
[root@webmail ~]# /opt/zimbra/bin/zmprov gaa > /home/brahmanggi/acc-mail.csv
 INFO: I/O exception (java.net.ConnectException) caught when processing request: Connection refused
 INFO: Retrying request
ERROR: zclient.IO_ERROR (invoke Connection refused, server: localhost) (cause: java.net.ConnectException Connection refused)
when I try to use as "zimbra" the notification are "permision denied" ...
can you give a hint for these kind of problems??
thx for your attentions