AGAT Software
            Knowledge Base AGAT Software Troubleshooting Non-AGAT bugs

            Cumulative Update 6 Bug Resolution

            We had a few different customers who have recently applied the Dec 2017 update and have encountered similar issues.
            In order to test this, one of our larger customers set up a bypass of the bastion in order to directly communicate with the SfB infrastructure and still encountered the same issue.
            Another customer has informed us that they have contacted Microsoft about the issue and supplied us of the solution they received:

            They found that additional settings to be done for external access.

            You run the Set-CsPlatformServiceSettings cmdlet to set the value of the enableExternalAccessCheck parameter to true in Microsoft Skype for Business Server 2015.

            You run the Set-CsExternalAccessPolicy cmdlet to set the value of the EnableOutsideAccess parameter to True per user.

            You can also review the article about the issues with Dec 2017 update here:

            One of our customers already informed us that after applying these settings, the issue was resolved.

            If you encounter into any issue working this out please contact Microsoft for assistance

            Updated: 11 Feb 2018 08:23 PM
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