Ava, a system administrator, configures 45 remote access clients to use the VPN server in the organization using the SSTP protocol. On any day, the number of users that work remotely does not exceed 15, so AVA configures the SSTP VPN protocol for 25 connections on the server. One day, owing to extreme weather, many employees are asked to work from home. When more than 25 users try to connect to the organization's servers, they are not allowed access. Ava uses the Routing and Remote Access tool to increase the number of connections for the SSTP protocol to 45. When she asks these additional users to confirm if they have received access, the users tell her that they are unable to connect to the organization's servers. If some or all of these users were able to remotely connect on a previous occasion, what is the most likely issue in this scenario