i found this java utility that crawls/deletes really long paths
http://www.osmstudios.com/Display.asp?Page=pathtoolongit worked great for the first 2 folders, just says an error has occurred for the last 3
i have:
s:\ts01 backup
s:\ts02 backup
s:\ts03 backup
s:\ts04 backup
s:\ts05 backup
worked for 1 and 2, not for 3,4,5 :/