exchangewebservices - Cannot change callback URL for EWS push subscriptions -
i'm subscribing via push several exchange servers. works nicely, when subscribing multiple times, long callback url of first push request used. trying subscribe using other url results in utter silence ews system i've tried, if i've explicitly unsubscribed , can confirm i'm getting no more push events.
since i've seen multiple exchange servers acting way guess might somehow intended behavior. i'm using “exchangeservice.subscribetopushnotifications” method 2010 api documented here:
https://msdn.microsoft.com/de-de/library/dd636171(v=exchg.80).aspx
does have knowledge kind of behavior or idea how can create new push subscription other url first ever subscribed to?
many in advance.
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