Which EWS URL to use in mixed distributed environment?

Hi everybody,

I have one AD site. Its client computers are 4 Exchange Servers located in different locations, e.g., USA, Germany, Australia and India. One mailbox is impersonator which is located in USA. I have to query the information of all mailboxes in every Exchange Server.

1) What should be the EWS URL when I configure my application? Should it be of the CAS where impersonator mailbox is located or should it be of the CAS where the mailbox is located whose information is to be queried?

2) I am trying to fetch the information of a journal mailbox which is located in Germany by using impersonator. This impersonator mailbox is located in USA. In the configuration of my application I am giving the EWS URL of the Exchange Server where impersonator is located, i.e., CAS located in USA. Is this right approach. Or I should give the EWS URL of the CAS located in Germany (as the mailbox whose information to be queried is located there)?

3) In the scenario in 2nd question, I am getting ErrorNoRespondingCASInDestinationSite always when I fetch all the data in the journal mailbox. It has about > 3 lakh items. What should be the solution so that I should not get this error?

Kindly help.

Thanks & regards,

Amit Jha



May 21st, 2015 10:40am

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