Hi @Squid, In a similar vein to @SelfSD, @alfi33 & @NeoDude, I cannot delete any old backup sets.   I actually only realised the problem after I noticed I have hundreds of gis (yes really!) of backups as I stupidly thought the first time I configured my weekly backup, it'd be a good idea to have a few sets of backups "just in case"......   I tried to manually delete the old sets from using the windows share. This locked the server up totally and I had to do a hard re