There's pretty wide version compatibility between clients and servers; we didn't go v7 server-side until pretty recently but have been running the v7 client for a while. IBM has a matrix published here:
http://www-01.ibm.com/support/docview.wss?uid=swg21053218 For basic backups and restores I think you can deviate even more, but obviously you won't get support. On Tue, Jan 02, 2018 at 03:14:24PM -0500, Tom Alverson wrote: > Our TSM storage servers were all upgraded last year to 7.1.7.2 (before this > new security update came out). Now I am wondering if I should start using > the updated client or not? If the servers stay at 7.1.7.2 for now is > there any harm in using the newer client? I would have to use 7.1.8.0 on > anything older than 2012. I saw some email traffic earlier that once you > use the new authentication mode on a node you can't go back? But it seems > that would not be possible until our storage servers get upgraded. > > Is there any downside in my case (where the storage servers are still at > 7.1.7.2) of using the latest client versions in the interim?? Our current > standard client versions now are 7.1.6.4 for 2008 and older, and 8.1.0.0 > (yes the horrible buggy one) on newer servers. > > Tom -- -- Skylar Thompson (skyl...@u.washington.edu) -- Genome Sciences Department, System Administrator -- Foege Building S046, (206)-685-7354 -- University of Washington School of Medicine