FRS Logging

The NT File Replication Service (NTFRS) service creates text-based log files in the %Systemroot%\Debug folder for troubleshooting NTFRS replication problems.

221112 NT File Replication Service Log File Size and Verbosity Settings
http://support.microsoft.com/?id=221112

FRS Debug Log Files
Value Path: HKLM\SYSTEM\CurrentControlSet\Services\NtFrs\Parameters
Value Name: Debug Log Files
Value Type: REG_DWORD
Value Data: 5 (hex)
Output: %Systemroot%\debug\Ntfrs_000.log
FRS Debug Log Severity
Value Path: HKLM\SYSTEM\CurrentControlSet\Services\NtFrs\Parameters
Value Name: Debug Log Severity
Value Type: REG_DWORD
Value Data: 5 (hex)
Output: %Systemroot%\debug\Ntfrs_000.log
FRS Debug Maximum Log Messages
Value Path: HKLM\SYSTEM\CurrentControlSet\Services\NtFrs\Parameters
Value Name: Debug Maximum Log Messages
Value Type: REG_DWORD
Value Data: 5 (hex)
Output: %Systemroot%\debug\Ntfrs_000.log