Configure SIP security mode
- Policy ID
- L_PolicyEnableSIPHighSecurityMode
- Scope
- Computer Configuration
- Supported on
- At least Windows Server 2008 R2 or Windows 7
- Source
- Microsoft 365 Apps / Office Administrative Templates (version 5568.1000)
- Category
- Skype for Business 2016 › Microsoft Lync Feature Policies
Description
When Lync connects to the server, it supports various authentication mechanisms. This policy allows the user to specify whether Digest and Basic authentication are supported.
Disabled (default): NTLM/Kerberos/TLS-DSK/Digest/Basic
Enabled:
Authentication mechanisms: NTLM/Kerberos/TLS-DSK
Gal Download: Requires HTTPS if user is not logged in as an internal user.
Registry
ComputerHKEY_LOCAL_MACHINE
- enablesiphighsecuritymodeREG_DWORD