iFixes LO71325, LO71327, and LO71328 are required for IBM Connections 4.0.
UPDATE: IBM Connections 4.0 CR1 (or higher) includes all three fixes mentioned in this document. CR1 (or higher) can be applied on its own, as it contains the changes included in these fixes. CR1 (or higher) can also be applied on environments that already had these fixes applied.
iFixes LO71325, LO71327, and LO71328 are required for IBM Connections 4.0. Please download the 3 iFixes from Fix Central, then apply to the IBM Connections 4.0 server using the update installer.
For details on how to apply interim fixes, please review the "Installing interim fixes" topic in the IBM Connections 4.0 documentation.