I turned on Bitlocker on the OS drive and it sees two other drives without any problems, but for some reason it cannot see the RAID 0 drive. Any ideas on why this could be happening? Thanks!dennyglee.com | My SQL BI, SSAS, PowerPivot, DW, Cloud, and Big Data Musings

As per http://technet.microsoft.com/en-us/library/ee449438(WS.10).aspx Software and Hardware RAID are not supported by BitLocker. Drive configuration Supported Not supported Network None Network file system (NFS) Distributed File System (DFS) Optical media None CD file system (CDFS) Live File System Universal Disk Format (UDF) Software Basic volumes Software-based RAID systems Bootable and non-bootable virtual hard disks (VHDs) Dynamic volumes RAM disks File system NTFS FAT16 FAT32 ExFAT CD File system Drive connection USB Firewire SATA SAS ATA IDE SCSI iSCSI Fiber Channel eSATA Bluetooth Device type Solid state drives, such as USB flash drives Hardware-based RAID systems Hard disk drive None Manoj Sehgal