Hi Larry.

>Correction, I've already upgraded to 5.1i and am still getting a TRUE from NEEDUPDATE() when a file is in use and not really different.

You're right. The fix is simple (and will be in 5.1j): in SDTMgr.ReadBackLink, change this line:

lnHandle = fopen(tcFile, F_READWRITE)

to:

lnHandle = fopen(tcFile)

There's no need to open the table for read/write access when simply reading the backlink. I tested this and change and it now returns .F. when a file is in use and not really different.

Doug