To enable Foxit PDF IFilter log for Server Search, please do as follows.
1) Start > Run > input “regedit” to open Registry Editor > Locate to the following subkey:
HKEY_LOCAL_MACHINESOFTWAREFoxit SoftwareFoxit PDF IFilter
2) Set for Foxit PDF IFilter log:
LogLevel [REG_DWORD] – sets the log level to 3.
LogFilePath [REG_SZ] – sets the output path of log file to a root directory. (e.g “C:IfilterLog”)
3) To make the changes take effect, perform the corresponding commands on SharePoint Server/Exchange Server. Please refer to here.
Note: Foxit PDF IFilter 1.0 does not support log feature.