https://bugs.kde.org/show_bug.cgi?id=390798
Bug ID: 390798
Summary: Akonadi EWS failed to authenticate with Exchange
Server
Product: Akonadi
Version: 5.7.2
Platform: Neon Packages
OS: Linux
Status: UNCONFIRMED
Severity: major
Priority: NOR
Component: EWS Resource
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
Once configured Akonadi EWS plugin, clikc on "Test Connection work", but click
on "OK" failed and plugin remains not connected.
Once activate kio_http debug, it seems that the NTLM handshake is correctly
executed when testing the connection. Akonadi EWS try without any auth, got a
401, then try with simple NTLM v1, got 401 again, and finally try with NTLMv2
and got a 200 OK. When clicking on "OK", Akonadi EWS just try NTLMv1 and newer
try NTLMv2.
It seems that this bugs is related to old NTLM problem in kio_http patched by
the author of akonadi_ews plugin.
Note that same credential with Exchange or Thunderbird work fine and that using
a kerberos ticket allows authentication.
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