- Bandwidth Allocation Protocol (BAP). Removed from Windows Vista. Disabled in Windows Server 2008.
- X.25.
- Serial Line Interface Protocol (SLIP). SLIP-based connections will automatically be updated to PPP-based connections.
- Asynchronous Transfer Mode (ATM).
- IP over IEEE 1394.
- NWLink IPX/SPX/NetBIOS Compatible Transport Protocol.
- Services for Macintosh.
- Open Shortest Path First (OSPF) routing protocol component in Routing and Remote Access.
- Basic Firewall in Routing and Remote Access (replaced with Windows Firewall).
- Static IP filter application programming interfaces (APIs) for Routing and Remote Access (replaced with Windows Filtering Platform APIs).
- The SPAP, EAP-MD5-CHAP, and MS-CHAP authentication protocols for PPP-based connections.