https://files.zimbra.com/downloads/4.5.5_GA/zcs-NETWORK-4.5.5_GA_838.RPL1-vmware.zip
https://files.zimbra.com/zca/zca-6.0.7_GA_341/zip/Zimbra_607_341.zip
Kernel panic not syncing
The kernel panic not syncing error can happen for various reasons, one of which may be due to buffers not being flushed to the actual devices. This error often prevents the system from booting and may affect parts of the kernels and modules.
VMDK choose sata harddisk vs IDE harddisk.