You don't indicate what version of 16xxx SW was previously loaded on the 16900. Sometimes, when doing an upgrade, you can't jump too many versions at once. If the LA previously had version 3.00, you might need to load version 3.20, for instance. Once that's loaded, you might have to update to version 3.50, then maybe to 3.80. The current released version is 4.00
If you are in the US, you should call the Agilent Call Center at 800-829-4444. They may be able to make the older versions available on the Agilent ftp site.
If you are in the US, you should call the Agilent Call Center at 800-829-4444. They may be able to make the older versions available on the Agilent ftp site.