When using the SkypeShield App users are not able to sign in while Bastion is listening on port 80 

Owned by Agat Support
Feb 04, 2019
1 min read
Symptoms
  • MDM integration with SkypeShield App is configured
AND
  • Bastion is set to listen on port 80
AND
  • Users get stuck at Mex stage (mex request is incorrectly sent with lyncdiscover host). Sign in not possible.
AND
  • LAC filter version is lower than 2.6.5.1

Solution

Upgrade the Lync_Access_Control.dll to version 2.6.5.1 or greater