Connecting to SMB share on a Windows computer may not work with an alias name.
To resolve this problem in Windows Server 2003, complete the following steps:
Create the CNAME record for the file server on the appropriate DNS server, if the CNAME record is not already present.
Apply the following registry change to the file server. To do so, follow these steps:
Locate and click the following key in the registry:
On the Edit menu, click Add Value, and then add the following registry value:
Value name: DisableStrictNameChecking
Data type: REG_DWORD
Restart your computer.