Issue : SCCM 1606 All the reporting device are not getting patch.

Action taken

Step 1: Verified Reported issue and study WUAHandler.log

After seeing WUAHandler.log log found most of the device are getting failed with subject line error code.  refer below screen shot for reference

wuahandler

Step 2: Verified IIS Logs and found that none of the clients are getting communicate with sccm.

iis-error

Solution:

After validate multiple logs and events. Found last month there was KB have been applied.  KB3159706 which is causing issue.
Refer this url for more details: https://blogs.technet.microsoft.com/wsus/2016/05/05/the-long-term-fix-for-kb3148812-issues/

This KB3159706  is fix for KB3148812 but issue reported kb was not part of these server hence we have removed KB [KB3159706]  from the server and restarted and all the Patch start downloading and getting installed. refer below screen shot for reference.

iis-fix

Happy Learning

Thanks & Regards,

Haresh Hirani

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