Installation modifications for frequently used operating systems are described in individual configuration documents found on the ZCS documentation website, such as Installation Modifications for ZCS with Ubuntu LTS, or
Installation Modifications for ZCS with Red Hat. Other operating systems may require similar modifications, and you can use the information contained in these documents as a reference to gauge whether your operating system might need to be modified.
For more information, refer to the System Requirements for VMware Zimbra Collaboration Server 8.0 document for information on hardware and software configurations supported by VMware Zimbra Collaboration Server.