Here's a tip to save you some frustration if you ever decide to configure a dual-NIC Windows Server computer as an IP router.
Manually set the IP address of network connections via the Command Prompt.
Modifing the Pairwise Master Key (PMK) and Preauthentication settings for better roaming.
Using Microsoft's old VirturalWiFi feature, you can create a virtural wireless access point (AP).