Win server 2012. IIS. Webdav extensions.
we have been successfully trialling a windows 2012 server with IIS and webdav extensions, allowing users access to file store over https.
It has just stopped working. I can access the filestore via a web browser but when we try to map a drive it just fails, it will prompt for the username/password, repeats the prompt after the first fail then it will report at the client ' a device attached to the system is not functioning'.
Any ideas where to start looking.