On Windows 10 clients with Microsoft Patch KB4056892,KB4056891,KB4056890,KB4056888,KB4056893 installed and Windows 8.1 with KB4056898 installed, Pulse Host Checker users experience the following issue:
- When HC is applied at realm level, Pulse connection fails with following error:
Connection Error. Authentication rejected by server. (Error:1308)
- When HC is applied at role level, Pulse connection fails with following error:
Connection Error. You are not allowed to sign in. (Error:1329)

After uninstalling the above-mentioned patches, the Pulse connection is established successfully with HC applied at the realm or role level.