Event ID - 26

Event Id26
SourceOutlook
DescriptionDescription1: Connection to the Microsoft Exchange Server has been lost. Outlook will restore the connection when possible.

Description2: Connection to the Microsoft Exchange Server has been restored. 
Event InformationExplanation for Description1: This is an informational event which shows that the exchange server is slow/busy and Outlook lost the connectivity. This may be due to the slow response of the mail server (server busy) or network traffic may increased badly.

Explanation for Description2: This is the message logged after Outlook restored the lost connection.
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