The action cannot be completed. The connection to Microsoft Exchange is unavailable. Outlook must be online or connected to complete this action. This issue can occur if the user has an account at a ...

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Of about 300 working clients here I have one that for some reason can't connect to the exchange server from outlook 2000. OWA works fine, and outlook USED to work fine but now it doesn't. When it trys ...

Update 26.3.2024: While not on the same scale as 2021's Microsoft Exchange Server hack (see below this update), security problems impacting Exchange Server have reemerged. In March 2024's monthly ...

This morning we had a few users call the help desk stating that when they opened outlook they recieved a message stating that exchange server is unavailable.<BR>I looked into the problem I thought it ...

The inability to connect from a Vista PC to an Exchange Server may be due to a conflict with the Windows Firewall. Dennis O'Reilly began writing about workplace technology as an editor for Ziff-Davis' ...

Microsoft has been rolling out one security measure after another ever since it discovered that bad actors have been exploiting four zero—day flaws in Exchange Server. Its latest step is updating the ...

Volexity has seen active in-the-wild exploitation of multiple Microsoft Exchange vulnerabilities used to steal email and compromise networks, and the attacks appear to have begun as early as Jan. 6.