Store TIB on a compressed drive

I get an error message when the destination for the TIB is a drive compressed by windows. Is this a known issue ?

Windows Vista Ultimate Service Pack 1

2.80 gigahertz AMD Athlon 64 FX Dual Core

ASUS M2N-E SLI

4 gigs of RAM

Source Drive - (SATA) NTFS OS & Acronis TI 2009 bld 9796 on C:\

Destination drive – (ATA) NTFS Backup on G:\

Error: Failed to backup file or folder ".