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Ep evaluator free trial. Event Id 101 Source MSExchange Autodiscover Description No providers are found in the folder '%1'. The Autodiscover service is unable to process any valid requests. Check Autodiscover service configuration. Event Information According to Microsoft: Cause: This Error event indicates that the Microsoft Exchange Autodiscover service is unable to process requests from the Outlook or mobile clients because the Outlook or mobile provider file was unavailable in the Autodiscover virtual directory configuration. Therefore, Outlook or mobile clients will be unable to access Exchange services such as the Availability service. This event may be caused because the Autodiscover service is not configured correctly on the Microsoft Exchange Client Access server. Resolution: To resolve this error, do the following on the Exchange Client Access Server.
Works with Exchange Online, Exchange Online as part of Office 365, or a version of Exchange starting with Exchange 2007 SP1. Limited to the user settings that are available in the Microsoft.Exchange.WebServices.Autodiscover.UserSettingName enumeration. Find out about notification subscriptions and mailbox event in EWS in Exchange. Notification subscriptions, mailbox events, and EWS in Exchange Microsoft Docs Exit focus mode.
1.Check to see whether Autodiscover service is configured correctly. 2.Install or reinstall the provider file, Microsoft.Exchange.Autodiscover.dll in this path: D: Program Files Microsoft Exchange Server ClientAccess Autodiscover bin. Reference Links.