How to Implementing Captcha Validation with OWA 2016 RRS feed

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  • Hi,

    As per my knowledge, we could integrate reCAPTCHA Validation to Exchange 2013/2016 OWA, here is an example, just for your experience:

    Adding Google reCAPTCHA graphics verification in Exchange OWA

    Please translate the article into appropriate language before you read it.

    Note: Microsoft is providing this information as a convenience to you. The sites are not controlled by Microsoft. Microsoft cannot make any representations regarding the quality, safety, or suitability of any software or information found there. Please make sure that you completely understand the risk before retrieving any suggestions from the above link.

    By the way, since we mainly discuss Exchange server general troubleshooting issues in this forum, and your question is more related to Exchange development, for more details about the Captcha Validation for Exchange OWA, we suggest you to ask the question in Exchange Server Development forum.

    Thanks for your understandings!


    Manu Meng

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    Tuesday, September 18, 2018 6:53 AM
  • Hi,

    Just checking in to see if above information was helpful. Please let us know if you would like further assistance.


    Manu Meng

    Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact

    Click here to learn more. Visit the dedicated forum to shareexplore and talk to experts about Microsoft Teams.

    Friday, September 21, 2018 4:12 AM
  • I have performed the same steps on Exchange 2016.But Sign In button wont work and not taking me next steps.

    -- Arun

    Thursday, July 2, 2020 5:03 AM