Please note that these logs only show the beginning and ends of the logs, as they can be very large.
In WinPE, the typical log file to look in is the BITSACPSvc_<ContentId>.log file. This can be found in X:\Windows\temp\smstslog\
Command-line arguments: BitsACP.exe X:\Windows\TEMP\SMSTSDownload.INI AP200003 C:\_SMSTaskSequence\Packages\AP200003
Checking to see if we are running in WinPE.
Initializing COM...
Created BITS COM Object.
Creating Download Job...
Writing BITS JobId Registry Key:{5ECDD140-041D-4138-A0AD-1D2569B094FB}
Successfully found a download Job from Registry...
We are running in WinPE or PreLogin Stage of OSD, will start Service.
Writing Registry Keys!
Writing PackageID Registry Key:AP200003
Writing ConfigFile Registry Key:X:\Windows\TEMP\SMSTSDownload.INI
Writing DownloadPath Registry Key:C:\_SMSTaskSequence\Packages\AP200003
Changing Log File Location to: X:\Windows\TEMP\smstslog\BITSACP_AP200003.log
When in WinPE, this logs only tracks and shows the start of the BITSPE servce (BITSACP_ServiceMain.log and BITSACPService_<ContentId>.log progress, but when in full OS this log has the information for the actual download work.
The following is the start of a log in WinPE:
Releasing the Download job Pointer.
Checking is BITSPE Service is present on system.
OpenSCManager for:BITSPE
ERROR: OpenService failed:1060
Starting a new BITSPE Service instance.
Service installed successfully
Starting the Download Monitor Function.
Got _SMSTSNextInstructionPointer and _SMSTSInstructionTableSize from TS Env...
Registring UI
Successfully Registered UI
Calculating data size...
Progress UI Update returned errror code: 0
Initializing COM...
Getting BITS Job.
This log typically only contains Service type information and can mostly be ignored:
ServiceMain: Entry
ServiceMain: Performing Service Start Operations
ServiceMain: Starting Worker Thread to complete
ServiceMain: Waiting for Worker Thread to complete
Getting the TS Environment port information
Setting the ports from TS Environment
Found advert ID, will use this for reporting: AP12008A
Cracking the URL...
Port: 443
Extra URL part:
Mode (HTTP=1, HTTPS=2): 2
URL is cracked, now putting back the pieces...
URL is HTTPS, setting the right authenticators and ports.
URL HTTPS port is set from TS Env: 443
Hostname:<server>.your.biz
Getting Download Job...
Successfully created Download Job...
Adding Description to the Download Job...
Connecting to server:
someserver.your.biz
443
Connecting with SSL: 1
Connecting with path: /NOCERT_SMS_DP_SMSPKG$/AP200003
Successfully set QueryInterface on Download Job...
Connecting to server...
Trying to connect...
Server replies with Status: 401
The server requires authentication. Sending searching credentials...