2090      1958      11/16     04:12:00.710 03   clusterutil.cpp(1707)     [00000000053AEE  |TaskID=F14D118C-F1A1-4D38-854E-303179A9BE1B  GetVolumeNameForVolumeMountPoint failed for [F:\] hr 0x80070002

2090      1958      11/16     04:12:00.730 67   mountpointutil.cpp(126)       |TaskID=F14D118C-F1A1-4D38-854E-303179A9BE1B     FindFirstVolumeMountPoint failed for [\\?\Volume{7ad66e5c-5ef9-11de-94b2-806e6f6e6963}\] hr [0x80070012]

2090      2130      11/16     04:12:01.155 26   agentutils.cpp(1766)           |TaskID=F14D118C-F1A1-4D38-854E-303179A9BE1B     Failed: Could not get the value of registry key name CopyBackupEnabled under HKEY_LOCAL_MACHINE\Software\Microsoft\Microsoft Data Protection Manager\Agent\2.0 , hr = 80070002: 0x80070002

2090      2130      11/16     04:12:07.461 22   fsutils.cpp(3624)          |TaskID=F14D118C-F1A1-4D38-854E-303179A9BE1B      Failed: G: lVal : HRESULT_FROM_WIN32(dwError): 0x80070002

2090      2130      11/16     04:12:07.461 22   fsutils.cpp(2111)          |TaskID=F14D118C-F1A1-4D38-854E-303179A9BE1B      Failed: Invalid filespec:Datasources\PSExchangeDatasourceConfig.xml: 0x80990a52

2090      2130      11/16     04:12:07.461 26   agentutils.cpp(1676)           |TaskID=F14D118C-F1A1-4D38-854E-303179A9BE1B     Failed: Could not get the value of registry key name SharePointSearchEnumerationEnabled under HKEY_LOCAL_MACHINE\Software\Microsoft\Microsoft Data Protection Manager\Agent\2.0 , hr = 80070002: 0x80070002

2090      2130      11/16     04:12:08.119 26   wmiqueryhelper.cpp(105)     [00000000031BE4      |TaskID=F14D118C-F1A1-4D38-854E-303179A9BE1B Failed: unable to connect to the wmi namespace: root\Microsoft\SqlServer\ComputerManagement10: 0x8004100e

2090      2130      11/16     04:12:08.240 22   fsutils.cpp(3624)          |TaskID=F14D118C-F1A1-4D38-854E-303179A9BE1B      Failed: G: lVal : HRESULT_FROM_WIN32(dwError): 0x80070002

2090      2130      11/16     04:12:08.240 22   fsutils.cpp(2111)          |TaskID=F14D118C-F1A1-4D38-854E-303179A9BE1B      Failed: Invalid filespec:Datasources\PSExchangeDatasourceConfig.xml: 0x80990a52

Please  looked at the following file
C:\Program Files\Microsoft Data Protection Manager\DPM\Datasources\PSDataSourceConfig.xml
The path is specified as

<FilesToProtect>%SystemDrive%\DPM_SYSTEM_STATE\%computername%.bkf</FilesToProtect>

In our lab machine the path is specified as

<FilesToProtect>C:\WindowsImageBackup\*</FilesToProtect>

please change the path to <FilesToProtect>C:\WindowsImageBackup\*</FilesToProtect>