ASA clientless VPN portal bookmark working with DFS

in the windows infrastructure such as you company domain name is abc.com  you can use \\abc\folder\folder to access dfs file, but is not working with ASA clientless vpn portal bookmark, you might get " can't contact drive" or similar error message

here is the solution:
if you have singer file server you can use first two solutions, for multiple file server you need use the third one.

1. you can use the hostname of the fileserver,   server01/folder/folder
2. use full dns  server01.abc.com/folder/folder
3. use name as abc.com/folder/folder