

Usually, the file location is as follows, You can find the path to OST or PST file via Outlook also. To fix this, you can change the permission and repair the damaged OST or PST file. The Exchange connectivity error may also appear if Outlook data file (.ost or. Solution 2: Check Outlook Data File Status įollow this detailed guide on Microsoft TechNet to troubleshoot and resolve the SMTP connectivity issue. Enter following command and press ‘ Enter’ ipconfig /flushdnsĪfter executing this command, check if the error is resolved.Open Command Prompt in your PC as an administrator.To resolve this, you can run flushdns command to clear cache and fix the error. ĭNS cache could also lead to such Exchange connectivity issues. This should ideally fix the Exchange server is unavailable or Outlook server unavailable error. Under ‘ Exceptions’ enter your mail server address, For instance,.Under Connections tab, click on LAN settings.In Windows PC, search for “Internet Options” and open it.Visit Remote Connectivity kit to check and analyze Exchange server connectivity issue. Use Network troubleshooter in Windows to fix the network connection issues. Check your wireless adapter or LAN cable. Solution 1: Check Network and Connectivity Įnsure break-free internet connectivity. If so, you may use Stellar Repair for Exchange to restore the mailboxes and fix the Exchange connectivity issue. In such a case, you should check the status of the database, if it’s mounted/unmounted or disabled. IMPORTANT NOTE: If the error is experienced by other Exchange account users also, it indicates a problem with the Exchange server. 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.

