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The remote server returned an error 503 server unavailable ews

The thing is that I' m trying to fetch a Xml file from a url coz I don' t want to save it everytime a post is made. string uri = thanks to the helpful down voters. The nice people at Experts Exchange helped out. The solution was the SSL certificate seemed to have come off of the Exchange Backend website. Selected the Exchange certificate on. The remote server returned an error: ( 503) Server Unavailable. - - - > Microsoft. MailboxReplicationService. RemotePermanentException: The HTTP service located at contoso. com/ EWS/ mrsproxy. Since updating to CU12, applications connecting to Exchange using EWS seem to be experiencing.

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    Unavailable returned remote

    The request failed. The remote server returned an error : ( 503) Server Unavailable. Exchange Web Services are not. WebException: The remote server returned an error: ( 503) Server Unavailable. With the code your using I would suggest you always set the X- AnchorHeader which can cause 503 and timeout issues see msdn. com/ webdav_ 101/ / 05/ 11/ best- practices- ews- authentication- and- access- issues/ ( even if your not using Impersonation). I' m using the following code to get calendar appointments from my Office 365 account with EWS api' s set ( Microsoft. Are there any work arounds to it that will enable me to check several thousand pageranks in say two hours or three hours[? You' re simply requesting too much data. There might be a JSON or XML API to get batch. After you type the address to Microsoft Outlook Web Access ( OWA) on a Microsoft Exchange Server. The " 503 Service Unavailable" error message may occur if the mailbox stores and the public folder stores that. Additionally, HKCRScan helps determine if there is an invalid discretionary access control list by returning error code 0x5. Careers · About Microsoft · Company news · Privacy at Microsoft · Investors · Diversity and inclusion · Accessibility · matter if you configure EWS connection to source Exchange Server or to source/ target Office 365 tenant, the first action ( test) performed by the program is always checking the.

    The remote server returned an error: ( 401) Unauthorized.