[cifs-protocol] [REG:116022313745563] Windows 10 backup failing against Samba

Uri Simchoni uri at samba.org
Wed Feb 24 19:15:14 UTC 2016

On 02/24/2016 09:05 PM, Bryan Burgin wrote:
> It's on the errata page at https://msdn.microsoft.com/en-us/library/dn785067.aspx, which will roll-up to the next public build.  A list of Windows protocol erratum is maintained at https://msdn.microsoft.com/en-us/library/dn781093.aspx.  The issue was discovered during a Samba Interoperability event last September.
> I'm glad we got this sussed.  I'll close the incident on this end.
> Bryan

Well, what about Handling the SVHDX_OPEN_DEVICE_CONTEXT 
Create Context:

If IsSharedVHDSupported is FALSE, the server MUST fail the request with

I think this is why Samba is returning INVALID_DEVICE_REQUEST.

(pressing on this point b/c I prefer to back a modification by 
documentation or at least "dochelp says so...")


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