>We have a program which deletes 1,100 records, then we try to issue a TABLEUPDATE() on the table. It fails, giving us a "Record is in Use by Another" (109) error.
>When we delete only 400 records, it works just fine.
>The users are running on NT workstations on a Novell LAN.
>(Late possibility: Does Novell have some sort of limit on the number of record locks possible? Are we running into it?)

I haven't kept up with the defaults in 4.11, but with older versions (3), there was a default number of record locks at 500. This can be upped on the file server, but for software not running in house, you may have problems.