Policy

Disable HTTP fallback for SIP connection

Prevents from HTTP being used for SIP connection in case TLS or TCP fail.

Policy

PackMicrosoft Office

CategorySkype for Business 2016 / Microsoft Lync Feature Policies

Policy ID679fd8de32ef

Internal nameL_PolicyDisableHttpConnect_1

Registry

Copy registry mappings

HKLM\software\policies\microsoft\office\16.0\lync\disablehttpconnect (enabled) = 1
HKLM\software\policies\microsoft\office\16.0\lync\disablehttpconnect (disabled) = 0

HKCU\software\policies\microsoft\office\16.0\lync\disablehttpconnect (enabled) = 1
HKCU\software\policies\microsoft\office\16.0\lync\disablehttpconnect (disabled) = 0

Policy notes

Prevents from HTTP being used for SIP connection in case TLS or TCP fail.

Related policies

Additional server versions supportedAllow storage of user passwordsConfigure SIP compression modeConfigure SIP security modeDisable automatic upload of sign-in failure logsDisable server version checkEnable using BITS to download Address Book Service filesGlobal Address Book Download Initial DelayPrevent users from running Microsoft LyncRequire logon credentialsSpecify serverTrusted Domain List