Restarting the agent after enabling FIPS mode
If you use the ADM group policy template, which does not perform validation checks, or if you manually enable FIPS mode by setting the fips.mode.enable parameter in the agent configuration file, the adclient process will not start if the domain functional level is below Windows Server 2008.
Cannot start adclient in FIPS Mode as machine is joined to domain with Pre‑Windows 2008 Domain Functional Level!
To restart the agent, you must disable FIPS mode by setting the fips.mode.enable parameter to false or the “Use FIPS compliant algorithms for encryption, hashing and signing” group policy to Not configured. After disabling FIPS mode, you can continue working at your current domain functional level in non-FIPS mode by restarting the agent: