Here is some info on where the .log and the .dbg log files are located.
Sync Server
The Synchronize Server connects to the ICM SQLServer Database, grabs Agent, Team, Supervisor and
Skill information, and then stores that information in LDAP. It automatically re-syncs every 10
minutes, or it can be manually run from Administrator.
Application Name: DirAccessSynSvr.exe
Service Name: Cisco Desktop Sync Server
Log File Directory: \Desktop\Directory Services\log
Log File Name: DirAccessSynSvr[.dbg / .log]
Config File Directory: \Desktop\Directory Services\config
Config File Name: DirAccessSynSvr.cfg
How to increase debug level for application: Range 4000-5000, restart service