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Navigating VCF 3.11 Precheck Failure: Addressing Password Precheck Errors

During the initial assessment before the migration to VCF 4.x we encountering precheck errors related to password validation across all components such as vCenter, ESXi, vRealize Suite Lifecycle Manager (vRSLCM), VxRail, vRealize Automation (vRA), vRealize Operations (vROps), and vRealize Log Insight (vRLI) can present unexpected hurdles .

In this blog post, we'll delve into a real-life scenario where false positive precheck errors disrupted the migration process and how proactive measures were taken to mitigate the issue with the help of VMware Support.

Validation and Investigating False Positives :

Note : Have seen this kind of alarms in 3.x version as cosmetic , after the upgrade to 4.x this will fix the issue.

Workaround :

  • SSH to SDDC Manager Navigate to below path

  • Edit /opt/vmware/vcf/lcm/lcm-app/conf/

  • Change feature.lcm.precheck.password.validation=true to false

  • Restarted LCM and precheck succeeded

Note : Once we change the setting to false , it wont check the password . Once the upgrade is done need to roll back to True.

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