RJones, there is my file permissions:
-rwxr-xr-x 1 root root 1468 Nov 27 18:21 check_disclaimers.sh
-rwxr-xr-x 1 root root 1451 Nov 29 14:43 disclaimer
drwxr-x--- 2 root zimbra 4096 Nov 30 10:01 disclaimers
-rw-r--r-- 1 zimbra zimbra 1725 Nov 30 09:31 main.cf
-rw-r--r-- 1 root zimbra 5291 Nov 28 18:06 master.cf
About the "network service error has occured...", check your master.cf configuration...
For the other side: your LDAP schemas is OK? as zimbra user:
zmprov gd domain.com | grep Signature |