Maintenance plan is not deleting old txt files.
The command litespeed is running to delete this text files is: execute master.dbo.xp_slssqlmaint N'-MAINTDEL -DelDeviceType DISK -DELTYPE FileBkup -DELUSEAGE -DELUNIT "4" -DELUNITTYPE "MONTHS" -DELEXTENSION "txt" -DELFOLDER "D:\MSSQL.1\MSSQL\LOG" '
there are txt files oder than 4 months that are not being deleted.
Permissions are ok and it is possible to delete those files manually without isssues.
Please edit the subplan and change the "delete file types" to "Any file" instead of to "Back Up Files"