Hi @Premkumar Nagaiah ,
Agree with YoussefSaad, if the version is Windows 10 1803 Pro edition, it is suggested to upgrade the os version. About the information of Windows 10, version 1803 end of servicing, please refer to this link:
https://learn.microsoft.com/en-us/lifecycle/announcements/windows-10-1803-end-of-servicing
To check if the scan agent is normal, we could set up more client whose version is up-to-date, select the products of Windows 10, version 1903 and later and sync again. Besides, we could check the report of compliance 5 - specific computer to see which update is required by clients.
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