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Switching K2 and SharePoint 2016 environment from HTTP to HTTPS


Switching K2 and SharePoint 2016 environment from HTTP to HTTPS

This article was created in response to a support issue logged with K2. The content may include typographical errors and may be revised at any time without notice. This article is not considered official documentation for K2 software and is provided "as is" with no warranties.


This article will guide you need to switch an existing/configured SharePoint 2016 farm and K2 server from HTTP to HTTPS.

Before You Begin

Before attempting these changes, make sure you have backups, rollback plans and a clear understanding of the steps you are about to perform.

How-to Steps

- Ensure you have an SSL certificate for the K2 site. Your options are either an SSL certificate from public CA (costs money and desirable/required when K2 site is accessed from internet/outside of your corporate network) or an internal CA.  In a worst case scenario / for testing you can use a self-signed certificate (which can be easily generated using PowerShell, but you need to ensure that it will be trusted on the client side - this can be done using AD DS group policies or manually on each machine). This is something to be handled by your IT infrastructure team, and not a K2 specific thing, hence it is not documented in K2 product documentation.

- Next you need to add HTTPS bindings for the K2 site (and preferably remove the HTTP one, if there is no explicit need/requirement to keep it) and then reconfigure K2 using Setup Manager ensuring you've selected the new HTTPS binding and made it the default.

- When you change your SharePoint to HTTPS, changing K2 to HTTPS is not an optional nice to have thing - it is a requirement. K2 requires schema match for K2/SharePoint - they both must be on HTTP or on HTTPS.


See more details here: K2 Five Installation and Configuration Guide - Security and Authentication (On-Prem and Online), look under SSL Requirements for K2 Site.





- K2 does not provide documentation on how you should change SharePoint to use HTTPS (you should look for documentation from Microsoft).
- After changing K2 to use HTTPS you will need to re-run the K2 App Registration Wizard as your K2 URL has changed from HTTP to HTTPS.

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Last update:
‎05-19-2021 12:36 PM
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