Question: I've installed TFS 2008, but I can't seem to access the server. When I try to connect to it in Visual Studio, I can't. If I try by browser on a remote PC, I get a generic page cannot be displayed. On the server, I get a 403. Nothing was touched in IIS and the service is running as a Network Service. Any ideas?

Answer: 
Turns out the time and date on my computer was not "close enough" to the time and date on the tfs server. Changed my system clock setting and problem went away.
Add this to the cases for future users, as i had this issue on server 2016...

if your firewall allow only Domain and Private Network, it may not work on client. make sure you give public permission, if server network is set to public...

The error you may face:
`ERR_CONNECTION_TIMED_OUT`
for
`http://fserver:8080/tfs`