We do this routinely. Have seen no issues.
How does this impact the newer features of FileMaker Pro 11? Do they work when hosted on FileMaker Server 10?
When our shop upgraded, gradually, from 10 to 11, our server was the last thing we upgraded.
The FMPro 11 clients had no problems with ".fp7" files served by Server 10.
There was no file-structure or file.extension change between the versions (or it would have been a very different story).
Most 11 features work fine with v11 clients, as the client computer is where most of the features are executed/resolved.
Agree with Stephen. The area where we ran into problems was not v11 clients with Server 10, but where some clients were 11 and some were 10. Then you ran into trouble.
Just make sure all your clients are on 11 (especially if you're going any development work on 11, as some function names have changed) and you should be fine.
P.S. With the potential caveat of server-side scripting. If you're doing this, you might want to be a little careful about certain functions whose names have changed (such as Get ( AccountPrivilegeSetName )).
Thanks Mike and Stephen. Confirmation is appreciated.
I have an interesting set up where four client groups share the same server. One is thinking of moving to FileMaker Pro 11 while the other three lag behind. Good point re development as I should make sure I don't start developing with 11 on those files where users are still using 10.