RC4 Deprecation Explained: Is Your Active Directory Ready?

Could legacy service accounts and hidden RC4 dependencies disrupt authentication in your environment? In this Parex Advisory Hour, Robert Burnette, Senior Enterprise Architect at Parex Technology, explains RC4 deprecation and what organizations should evaluate as they modernize Active Directory authentication. Learn how to identify potential dependencies, prioritize remediation, and plan a more secure approach to service accounts. Topics covered: • RC4, Kerberos, and the risks associated with Kerberoasting • Legacy applications, SQL Server service accounts, and keytab dependencies • Using assessment scripts and domain controller logs to investigate RC4 usage • AES readiness and the role of service account password changes • Microsoft Defender for Identity and authentication visibility • Group managed service accounts (gMSAs) and delegated managed service accounts (dMSAs) • Audience questions about testing, compatibility, and migration planning Whether you are assessing your environment or planning your next steps, this session offers practical context for your identity modernization strategy. Need help evaluating your environment? Contact Parex Technology to discuss an assessment. Existing customers can open an advisory ticket for guidance. Learn more: https://parextechnology.com/