Mapping a server with alias

Hello,

I have a server called "serveroriginal" I'm using to access the share called

"sharefolder"

\\serveroriginal\sharefolder

I have an alias for the same server called "serveralias" and when I try to

access the share with

\\serveralias\sharefolder

I am getting an error:

a duplicate name exists on the network

** I release alaredy the previous access to the share

Thank You,

--

Dominique