An unrecognized HTTP response was received when attempting to crawl this item.

SharePoint 2013 Search Service Application does not give accurate result with HTTPS site.

I created a web application with SSL and start crawling it -For crawling the HTTPS site properly we need to upload or provide the proper certificate for HTTPS and HTTPS site should be accessed  without warning or error message like:-



If SSL site crawled without proper cert with below error appear and crawl also fail
Crawl Log Error:- An unrecognized HTTP response was received when attempting to crawl this item. Verify whether the item can be accessed using your browser.

Resolution:-
Search is failing due an invalid certificate; I created a Root CA cert and then generated a Cert from that root CA with the required CN. After we used the new cert on web site (Added the root CA to machine’s trusted root certificate) search of HTTPS documents started working (which it was not previously).


Happy Coding..

3 comments:

  1. Hi Manoj,
    Thanks for you guidance and help w.r.to this issue.
    We have two Servers in SharePoint 2013 1 WFE and 1 App server. We were migrating all host named site collections from http to https. After migrating we faced the same issue. Sites were not being crawled. Root cause was we have installed SSL certificates and configured IIS binding in only WFE server but not APP server, this was the issue. After installing in APP server issue resolved.

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  2. Thank khang việt rất vui vì đã được thêm thông tin từ bạn.
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