Cannot create large (>24GB) cache on system with 64GB RAM

[kalua]

I have an X99 based system with 64GB of RAM. I am trying to use PrimoCache set up large (>24GB RAM) caches. I get an error:

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PrimoCache
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Failed to start cache!

This is usually caused by insufficient system resources. You may choose a larger value for the Block Size and then try again.
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OK
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If I create several smaller caches, and get past 32GB, then Windows gets flakey, and keeps telling me I am out of memory and kills applications.

Suggestions?

[Support]

Can you check the available memory by Windows resource monitor?