Error: "Response status code was unacceptable: 403"
Problem
The client gets this exception:
Solution
This error occurs when the setting " SkypeShield App use required" on the Admin Portal is disabled.
- Go to the Admin Portal under Settings → MDM Integration.
- enable SkypeShield App use required to yes and click save.
- Restart the SphereShield for SfB Reverse Proxy (Bastion) .
- Close SphereShield and Skype for Business app and restart the registration.
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