Can't update users email signature after upgrade from NE 5.0.18 to 6.0.7

[mozg31337]

Hello guys,

I've done an upgrade from NE 5.0.18 (with samba) to 6.0.7 and the upgrade seems to have finished successfully. From what I've tested so far everything seems to work very well. The one problem that i've noticed is that user's email signatures can no longer be changed. This applies to changing it from webmail side as well as from the server using zimbra username.

I get the following error: LDAP: error code 50 - Insufficient Access Rights

My understanding was that when I run commands from the server side as a user zimbra it binds to ldap server as an admin user, who should have full access to ldap database. Very odd that i have the insufficient access rights.

Did anyone encounter this problem after an upgrade? Any tips on how this can be solved?

Thanks