[asterisk-users] Calendar Integration Problem

Bharat Lalcheta bharatlalcheta at gmail.com
Sun May 6 09:55:10 CDT 2012


Hii All,

Thanks for helps. Problem solved. Its due to exchange side authentication
problem. In exchange IIS server ,for EWS site only window authentication
enabled which is not supported by neon library. Just enabled basic
authentication for EWS site on IIS and its working fine now.

Thanks for help..

Bharat Lalcheta

On Sun, May 6, 2012 at 5:14 PM, Michel Verbraak <michel at verbraak.org> wrote:

>  On 30-04-12 11:09, Bharat Lalcheta wrote:
>
> Hiii all,
>
> I am using asterisk 1.8.9.2 and compile all modules related to calendar.
>
> neon version is 0.29.6. OS is ubuntu 11.10.
>
> I configured ical for zimbra, caldav for google mail and ews for exchange
> 2010 calendar.
>
> ical and caldav setup working fine and i am getting my calendar events
> perfectly. But for exchange 2010 calendar i am getting following error.
>
> "Unable to communicate with Exchange Web Service at '
> https://ex1.domain.com/EWS/Exchange.asmx': Could not authenticate to
> server: ignored NTLM challenge, GSSAPI authentication error: Unspecified
> GSS failure.  Minor code may provide more information: Credentials cache
> file '/tmp/krb5cc_0' not found"
>
> my calendar.conf is as follows
>
> [calendar3]
> type = ews               ; type of calendar--currently supported: ical,
> caldav, exchange, or ews
> url = https://ex1.domain.com/EWS/Exchange.asmx ; URL to MS Exchange EWS
> user = myname at domain.com              ; Exchange username
> secret = xxxxxx       ; Exchange password
> refresh = 10             ; refresh calendar every n minutes
> timeframe = 20
>
> calendar show status command shows following output
>
> Calendar             Type       Status
> --------                   ----         ------
> calendar3            ews        free
>
> Please help me out for solve above problem.
> Thanks in advance
> --
> Bharat Lalcheta
>
>
> --
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>  Did you compile neon against openssl or the default internal ssl? I used
> against openssl.
> Make sure you have the rootca from the exchange server in /etc/ssl/certs
>
> The message/warning looks like the Exchange server expects a kerberos
> authentication. I have no experience with the EWS calendar module and using
> kerberos to authenticate.
>
> Hope this info helps.
>
> Michel.
>
> --
> _____________________________________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> New to Asterisk? Join us for a live introductory webinar every Thurs:
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>



-- 
Bharat Lalcheta
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