I guess your disk is MBR formatted and any storage space beyond 2TBs will be unusable by Windows if the disk is MBR formatted. In that case you need convert to GPT
Yes there 3rd party tools that can convert to GPT without data loss but make sure you have a decent backup first, you can snapshot the virtual machine before hand. Lastly, Microsoft also provided the MBR2GPT in newer releases of Windows.
It is not a problem with VMware but with the guest operating system you are using.
You must open a request in the Microsoft community: