Can you check when was the last backup taken for this client.
Also if u know what time backup started please refer to daemon.log/raw it 
should tell why full backup was started even after supplying -l incr option.

Most probable cause can be that there was no full backup with client indexes.
-Punit
------Original Message------
From: Venkat Tudi
Sender: EMC NetWorker discussion
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
ReplyTo: EMC NetWorker discussion
ReplyTo: Venkat Tudi
Subject: [Networker] Are Incremental backups supported from client side or is 
it always full?
Sent: Jan 7, 2010 22:00

Hi,
Last night one of the admin wanted to do an incr backup before his upgrade
and time constraint. So I gave in him the command to push the backup to the
Server. But looks like it did a full backup.

Save –vv –s lgtobackup –c seats –LL D:\xxxx\ -g Default –l incr  -w month –y
month
-- 
Venkat Tudi

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