@Vignesh Pandian Thanks for posting in our Q&A.
To troubleshoot our issue, we can check if there's any error in the Update Compliance logs. To collect these logs, we can see more details in the following link: Troubleshooting Windows 10 Update for Business by Using Azure Update Compliance and Log Analytics
Research and find a link lists some examples of the cause and solution for error "-2016281112 (Remediation failed) ". We can read this as a reference:
https://learn.microsoft.com/en-us/microsoft-365/security/defender-endpoint/troubleshoot-onboarding?view=o365-worldwide#microsoft-intune-error-codes-and-oma-uris
Hope it can help.
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