Re: [Evolution] Evolution EWS stpped working after Exchange migration from 2013 to 2016

On Mon, 2016-12-05 at 18:03 -0300, Eduardo Trápani wrote:
$ rm -rf .config/evolution
$ rm -rf .cache/evolution

removing those files is not a good idea when background evolution-data-
server processes are running. Much easier is to open the evolution and
delete the account from there.

$ CAMEL_DEBUG="all" LANG=en_US.UTF8 evolution

Using CAMEL_DEBUG=all is usually useless, because it gives too much
output from the database access.

Try the debugging for the evolution-ews itself, which is:

   $ EWS_DEBUG=2 evolution

(evolution:21945): camel-ews-provider-WARNING **: Unable to fetch
the folder hierarchy: Authentication failed :289

I recall some oddity since updating samba to 4.5.0 or something around.
It provides ntlm_auth (here at /usr/bin/ntlm_auth), which is used by
libsoup, which evolution-ews uses to connect to the server. The file is
a helper and the evolution-ews can work also without it. Try to rename
it, whether anything changes. I would also verify that a correct
authentication method is setup in the evolution-ews account
(NTLM/Basic/Kerberos). It depends which of them you use and which is
supported by the server. Some parts (for example address book part) can
require certain authentication types on its own. The server advertises
which authentication methods are supported, thus you can see it in the
EWS_DEBUG=2 log (search for WWW-Authenticate headers in the log).


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