[1909, ou] offline file sync and dfs

[sted]

i have one site where for some reason i cant got offline files working on laptops (just tried a vm with literally just default domain policy applied as a test same result). i can sync from \\server\share\name but not from the same location as \\fqdn\share\name i just get a network access denied message even as domain admin. Any ideas. ive added security groups to the share and it seems to make no difference even as above created a test vm with no policies applied as a test

[sted]

ive just created a new namespace dfs rather than dfs$ and sharing the same folder that works(so \\fqdn\dfs$\share fails \\fqdn\dfs\share works). weird i wonder if its something to do with the $ as everything else seems to match