App Service - out of disk space when creating a X509 cert from byte[]

Question

c# runs X509Certificate2 constructor using byte array and gets error : There is not enough space on the disk.

This article suggests that the private key folder has too many files : X509Certificate2 Constructor Throwing There is not enough space on the disk

Short term , can I mitigate in Kudo by clearing out from d:\ProgramData\Microsoft\Crypto\RSA\machinekeys ? I got a 404 when I tried to delete one file. Thanks, Peter