Solutions to Fix the “Exchange Server is unavailable” Errorīased on the Outlook version, following are some solutions that you can apply to fix the Exchange connectivity issue. Outlook or Exchange server is not available or down.Conflict with third-party software such as antivirus.There can be several reasons that may cause this Exchange error, such as,
‘The connection to the microsoft exchange server is unavailable’ is a fairly common error and isn’t version-specific. What Causes ‘Exchange Server is unavailable’ Error? outlook must be online or connected), know the causes that result in this error. Nonetheless, before going through the different methods that you can use to fix the issue (the connection to the microsoft exchange server is unavailable. Thus, it becomes a necessity to fix this error as soon as possible. When this error comes up, you cannot access your mailbox and mailbox items stored on the Exchange server.
The error may also appear when you try to access the Exchange account via MS Outlook in Office 365.