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Unable to Start the K2 Blackpearl Server: Windows Platform FIPS validated cryptographic algorithms

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This article was created in response to a support issue logged with K2. The content may include typographical errors and may be revised at any time without notice. This article is not considered official documentation for K2 software and is provided "as is" with no warranties.
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Issue

An error appears when starting the Host Server:

This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms. ;Error Invoking 'StartHostServer:'  SourceCode.HostServerLib : This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms.

Symptoms

The following scenario is in place:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\fipsalgorithmpolicyregistry
subkey is set to 1

Image

Troubleshooting Steps

To resolve this issue, disable this subkey from the registry by setting it to and restart the server.