Solved - The Connection to Microsoft Exchange is unavailable on Outlook

There is no doubt Outlook is a great application to send/receive emails, perform simple tasks, keep reminders, Skype integration allowing users to make video calls within Outlook, “Sweep” option to organize emails into specific folders. You also have the option to delete messages that are older than a specified number of days.

A Microsoft Exchange account is usually a work or school email account. Your email service is provided by a Microsoft Exchange Server and all your emails are delivered to and saved in your mailbox on the business’s Exchange server.

Before fixing the error it is suggested to backup the OST file by converting to PST using an OST converting tool.

At times, you may encounter the following error while accessing your Exchange account:

“The connection to Microsoft Exchange is unavailable. Outlook must be online or connected to complete this action.”

Let us look at the couple of ways we can tackle this error.

  1. Create a new Outlook profile

When you create a new email account in Outlook, it is saved as a profile. Your old profile could have been corrupted due to any internal problem within Outlook.

To open a new profile, open Control Panel. In the “View by” drop-down, select “Large Icons”. Now click on Mail (Microsoft Outlook). A window opens up. Now select Show Profiles. Select the existing profile and click on Remove to delete that profile.

Once that profile has been deleted, now create a new account by clicking on Add button. Just follow the on-screen instructions to create a new profile.

Restart your Outlook application now. The issue should be resolved.

2. Restore Registry settings

In this method, you have to import the User Shell Folders registry key from a working Windows user profile.

Make sure you follow all the steps carefully since you will be modifying the registry. To be on the safer side, backup your registry before any modification. Then, you can restore the registry if any issue occurs.

Backup registry manually

  • Go to Windows Start Menu. Type exe in the search box and press Enter. If you are prompted to provide an Administrator password, just type it and proceed.
  • In the Registry Editor, just locate and click the registry key or subkey that you want to backup.
  • Click File -> Export.
  • In Export Registry File dialog box, select the location where you want to save your backup copy and give a name for the file in Filename
  • Click Save.

Now that you have backed up your registry, it’s time to restore the registry.

On a working computer,

  • Start Registry Editor.

In Windows XP, Click Start -> Run – Type regedit and click Ok.

In Windows Vista, click Start, type regedit in Start search box, and press Enter.

In Windows 7, click Start, type regedit in Search programs and files box, and press Enter.

  • Locate and select this registry subkey:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders

  • In the File menu, click Export.
  • Specify the name of your .reg file and click Save.
  • Now copy this .reg file to the computer showing this problem.
  • Close your Registry Editor.

On the computer showing errors,

  • Start Registry Editor.

In Windows XP, Click Start -> Run – Type regedit and click Ok.

In Windows Vista, click Start, type regedit in Start search box, and press Enter.

In Windows 7, click Start, type regedit in Search programs and files box, and press Enter.

  • In the File menu, click Import.
  • Now locate and select the .reg file imported from working computer.
  • Click Open.
  • Close Registry Editor.

3. Flush your computer’s DNS

  • Click on Start Menu.
  • In the search box, type “cmd”.
  • Now right-click on search result Command Prompt and click on Run as administrator.
  • Once the Command Prompt window is open, type ipconfig/flushdns.
  • Now close Command Prompt.
  • The check is the problem is resolved.

4. Restart Microsoft Exchange System Attendant Service

  • Press Windows key +R to open the Run window. Now type msc and click Ok.
  • In Services window, locate Microsoft Exchange System Attendant service in the details pane.

Right-click the service and click Start. If it’s already started, stop it and re-start it.

If you were unable to restore your Outlook profile using any of the above methods, Remo Repair Outlook software shows you in a few simple steps on how to recover Outlook profile.

If your PST file is damaged due to any reason, just click here to know how to repair corrupt Outlook PST file.

The software keeps your Outlook file completely safe by first reading the file, extracting contents from it and creating a new healthy file after fixing all issues.

Remo Repair PST works on all versions of Outlook and it can also repair your password protected or compressed PST file.

Solved - The Connection to Microsoft Exchange is unavailable on Outlook was last modified: April 16th, 2020 by John Harris

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