Windows Server build 17074

Windows Server build 17074 is a build of Windows Server version 1803, and the fifth official Insider build of this version. It was released on 16 January 2018.

++New features==
 * Various improvements to Storage Spaces Direct. SCSI Enclosure Services is not longer required for Storage Spaces Direct to be compatible.
 * Storage Spaces Direct now supports Persistent Memory, as well as the ability to Direct-connect SATA drives to the AHCI controller.
 * Enabled the Cluster Shared Volumes (CSV) cache by default. This feature uses an in-memory write-through cache to speed up virtual machine performance.
 * Included enchancements to Azure enlightened Failover Clusters.
 * Added deduplications for ReFS and Storage Spaces Direct.

Bugs

 * Dynamic disks will fail I/O with a  eror. This results in failures to mount or format the volume.
 * You can't upgrade from an older build to this one, a clean install is required.
 * The Health Attestation CSP fails with error code 500 when attempting to get a certificate.
 * If scatter-gather list (SGL) functionality is enabled, data corruption my occur on NVMe (NVM Express) drives.
 * The BFE (base filtering engine) service may fail to start, which prevents the Windows Defender firewall service (MpsSvc) from running.
 * There's a chance of a BSOD because of a kernel security check failure from a corrupted list entry in a deferred free pool.
 * On this build, Hyper-V isolated containers will fail to start with an error of "The description string for parameter reference (%1) could not be found. (0x3ab6)". To get around this bug, disable cloning optimization by executing the command . After that, either reboot or restart the vmcompute sevice.
 * Product keys refuse to activate on this build.