Reportingprdsql server
STEP 1 - Move File from Select all subfile C:\Program Files\MSRS13.MSSQLSERVER\Reporting Services\LogFiles
step 2 - Create new folder in drive D:\ and paste in newly created folder
step 3 -Zip the folder newly created in Drive and delete the unzip one file from D drive
Path - C:\Program Files\MSRS13.MSSQLSERVER\Reporting Services\ReportServer\bin\ReportingServicesService.exe.config
ENable Verbose Log
<add name="DefaultTraceSwitch" value="4" />
<add name="Components" value="all:4" />
Disable Verbose Log
<add name="DefaultTraceSwitch" value="3" />
<add name="Components" value="all:3" />
Restart SQLreporting Service .