.Net Framework 4.0 on XIR3.1 SP4

Hello Experts,

We have XIR3.1 SP4 on Windows 2008 R2 server with Tomcat 5.5

We have a need to install .Net Framework 4.0 on the server for some reason and I was wondering if anything would break or not?

Currently we have .Net Framework 3.5 installed and I looked up on the PAM document and .NET 4.0 is not listed. So, will installing .Net 4.0 on XIR3.1 SP4 break anything?

I have installed it on our Dev server and so far it it looks good. But this box does not have all the custom pages and dashboards so that I can be sure it works.

Any thoughts ?

Appreciate  your time.

Thanks