I have the following problem - Windows Vista does not connect to adhoc wireless network created on my Macbook. I have tried to create secured (with 40 bit key) and unsecured network but Windows Vista still has problems to connect. Windows VISTA informs me -- after 5 minutes of attempts - that setting up the connection -- with my adhoc network -- took too much time. 

My question: do I need to configure some settings on Vista to connect it to my Macbook? Maybe it is a problem with DHCP? 

Edited: I have tried the other way: [Set up an adhoc network in Windows Vista to connect to and share the Internet connection with Mac OS X](https://superuser.com/questions/202890/set-up-an-adhoc-network-in-windows-vista-to-connect-to-and-share-the-internet-con)