Hi, has anyone tried to migrate from a 32-bit system to a 64-bit system. I am currently running CentOS 4.4 (32-bit) and Zimbra 4.0.3 (32-bit) and I want to migrate to CentOS 4.4 (64-bit) and Zimbra 4.0.3 (64-bit).

Please let me know if you have tried this. Thanks.