Netbackup 7.5 - accelerator + de-dupe - error enabling to use accelerator

When using the option “Use accelerator” on the policy screen, you may get the error that the storage unit can’t be used for accelerator type of the backup. Fix is to manually enable storage server and disk pool for accelerator type of backup by manually adding flag OptimizedImage: the procedure is explained in details on the following post: http://www.symantec.com/connect/forums/unable-select-use-accelerator-msdp-storage-unit