SCCM In-place upgrade troubleshooting

The following log files should be checked if an In-place upgrade fails.

• C:\$WINDOWS.~BT\Sources\Panther
• setupact.log
• setuperr.log (errors from setupact.log)
• CompatData_xxxx_xx_xx_xx_xx_xx_xx_x_xxxxxxxx.xml (components blocking the installation)
• xxxxxxxx_APPRAISER_HumanReadable.xml (components blocking the installation)
• C:\Windows\CCM\Logs\
• smsts.log (complete Task Sequence steps)
• SMSTSLOG\smsts.log (folder only exists during an ongoing installation)
• execmgr.log (Task Sequences and Programs activities are logged here)