Please refer to the following two documents for a list of common authentication- related issues:
Can't connect with OS X Yosemite
To connect with OS X Yosemite, it's required that you have two redirects in place from the root of your webserver.
This means that if your baikal is hosted under:
The following two urls must exist:
Both of these must redirect to
For an example of how to set this up, check out the sample configuration on the install doc.
Can't connect with Windows 10
The Windows 10 client does not support Digest authentication. So if you want to support Windows 10, you must use Basic auth (and please, use SSL).