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IF I remember correctly, PVS Accelerator caches bits of the PVS VHD in the hosts memory/storage requiring less reaches out to the PVS servers to stream those bits. This of course accelerates the bootup process as well as running applications. As a lot of Login processes are dependent on network connectivity to the domain controllers for authentication, GPOs, Login scripts, etc, and network connectivity to shared file servers, print servers, etc. I'm not sure how much acceleration you'll see around login times specfically.

Don’t use PVS accelerator! We never had any advantages with it. If haven’t already done yet, switch from BIOS to UEFI. That’s by far the best you can do. You can even change a vDisk to UEFI boot without reinstalling the OS.

I've tested it extensively and found that it provides little to no advantage and is more of a PITA to manage. But I appreciate that every environment and use case is different.

Thank you guys, You've confirmed my initial thoughts and why I've not chosen to adopt this feature, not worth the hassle for minimal benefit. appreciate your time as always. Kind Regards.

Yes, largely obsoleted by the new cache-in-RAM/overflow to disc option in PVS. I'd avoid as it limits you to certain filesystem types on your host