XINSTALL BY CLICKING THE DOWNLOAD FILE

• Restoro has been downloaded by 0 readers this month.

Email is an everyday part of our lives, and while some users prefer using webmail services, others are using email clients. One of the most used email clients on Windows 10 is Outlook, but users reported The connection to Microsoft Exchange is unavailable error message while using Outlook, so let’s see how to fix it.

Why is my Microsoft Exchange Server Unavailable?

Fix – The connection to Microsoft Exchange is unavailable

1. Edit your registry

The connection to Microsoft Exchange is unavailable error usually appears due to problems with your registry. Your registry holds the necessary information that Outlook uses in order to access Microsoft Exchange, and if this information doesn’t exist in your registry, you’ll get The connection to Microsoft Exchange is unavailable error message.

To fix this problem, you need to manually add the required data to the registry. Editing registry can be somewhat dangerous and cause certain issues if you don’t do it properly, therefore use caution and create a backup of your registry just in case.

Users reported that they fixed this problem by copying the registry key from a working PC and adding it to their registry on the problematic PC. To do that, follow these steps:

On the working computer press Windows Key + R and enter regedit. Click OK or press Enter.

Right-click User Shell Folders key and choose Export from the menu.

After adding this key to your registry, the problem with Microsoft Exchange should be fixed completely.

2. Update your Outlook profile

According to users, this error occurs if you use Microsoft Outlook without certain encryption settings. To fix this problem, you just need to update your Outlook profile by following these steps:

Press Windows Key + X to open the Win + X menu and choose Control Panel from the list.

After making these changes the issue with Microsoft Exchange should be fixed.

3. Create a new Outlook profile

Users reported that you can fix The connection to Microsoft Exchange is unavailable error simply by creating a new Outlook profile. To do that, you need to follow these simple steps:

After creating a new profile, set it as default and check if the error is resolved.

4. Delete your Outlook profile

Few users suggest that in order to fix this problem you need to delete your Outlook profile and recreate it. To do that, simply go to Control Panel > Mail and delete your default profile. After deleting the default profile, start Outlook and you’ll be asked to create a new profile.

After creating a new profile everything should work without any problems.

5. Use flushdns command

One way to fix The connection to Microsoft Exchange is unavailable error is to run flushdns command. This is a simple procedure, and to perform it you need to follow these steps:

Press Windows Key + X and select Command Prompt (Admin) from the menu.

6. Restart Microsoft Exchange services

According to users, one way to fix this problem is to restart Microsoft Exchange services. To do that, follow these steps:

Press Windows Key + R and enter services.msc. Press Enter or click OK.

When Services window opens, locate Microsoft Exchange service, right-click it and choose Restart from the menu. If you have more than one Microsoft Exchange service available, be sure to restart them all.

After Microsoft Exchange service restarts, check if the problem is resolved.

7. Disable your antivirus

Using antivirus is crucial for your system’s safety, but sometimes your antivirus software can interfere with Outlook and cause this error to appear. To fix this problem, you need to disable your antivirus and add Outlook and the necessary applications and ports to the list of exclusions. If that doesn’t help, you might want to temporarily remove your antivirus program.

Users reported that Malwarebytes was causing this error to appear, but keep in mind that almost any third-party antivirus software can interfere with Outlook and cause this issue.

8. Set the WINS IP addresses on your PC

If you’re using a VPN while connecting to the server, you need to set your IP addresses to static. According to users, changing the WINS IP addresses fixes the problem with Microsoft Exchange, therefore be sure to try it if you’re using a VPN.

Fix – The connection to Microsoft Exchange is unavailable Outlook 2007

1. Enable RPC encryption in Group Policy Editor

Expert Tip: Some PC issues are hard to tackle, especially when it comes to corrupted repositories or missing Windows files. If you are having troubles fixing an error, your system may be partially broken. We recommend installing Restoro, a tool that will scan your machine and identify what the fault is.
Click here to download and start repairing.

If you’re using Outlook 2007, you’ll need to download the latest version of Outlk12.adm Group Policy template and add it to your domain controller. After adding this template, follow these steps:

Start Group Policy Editor by pressing Windows Key + R, entering gpedit.msc and clicking OK.

2. Export registry keys from a different PC

You can fix this problem simply by exporting registry keys from another PC that runs Outlook 2007. To do that, switch to a different PC and follow these steps:

After adding this file to your registry, the problem with Outlook 2007 and Microsoft Exchange should be fixed completely.

3. Remove ZeroConfigExchange DWORD from the registry

According to Microsoft, ZeroConfigExchange DWORD can cause this problem with Outlook 2007, but you can fix The connection to Microsoft Exchange is unavailable error simply by removing the problematic DWORD. To do that, follow these steps:

4. Create a new DWORD

You can fix the problem with Microsoft Exchange and Outlook 2007 simply by creating one DWORD in your registry. This is a simple procedure, and you can do it by following these steps:

After that, close Registry Editor and check if the problem is resolved.

Fix – The connection to Microsoft Exchange is unavailable Outlook 2010

1. Enable RPC encryption

Before you start applying this solution you need to download the latest version of the Outlk14.adm Group Policy template and add it to your domain controller. After doing that, you need to follow these steps:

2. Add proxy exceptions

Your proxy settings can interfere with Microsoft Exchange and cause this error to appear while starting Outlook 2010. To fix this problem, you need to go to the Internet Options and add your mail server to the Exceptions list. To do that, follow these steps:

Press Windows Key + S and enter internet options. Select Internet Options from the menu.

When the Internet Options window opens, go to Connections tab and click on LAN settings.

In the Proxy server section click on Advanced button.

In the Exceptions section, be sure to add your mail server address. Click OK to save changes.

After adding the mail server to the exceptions list, the problem with Microsoft Exchange and Outlook 2010 should be completely fixed.

Solution 3 – Add DefConnectOpts DWORD to the registry

This solution is quite similar to the one that we used to fix the problem with Microsoft Exchange and Outlook 2007, therefore we’ll keep this one as short as possible. To fix this problem, start Registry Editor and go to the HKEY_CURRENT_USERSoftwareMicrosoftOffice14.0OutlookRPC key. In RPC key create a new DWORD and name it DefConnectOpts. Open its properties and set the Value data to 0. Click OK to save changes and check if the problem is resolved.

Fix – The connection to Microsoft Exchange is unavailable Outlook 2013

1. Enable RPC encryption

If you’re getting The connection to Microsoft Exchange is unavailable error, you should be able to fix it by enabling RPC encryption for Outlook 2013. To do that, first, download Office 2013 ADM templates and add them to your domain controller. After that, follow these steps:

2. Edit your registry

Users reported that this issue occurs if the computer can’t find the mail server via Active Directory. You can fix this problem by making a couple of changes in your registry, but before making any changes to your registry, we advise that you back it up. To fix this problem using Registry Editor, do the following:

After changing your registry and creating a new profile in Outlook, the issue with Microsoft Exchange should be fixed.

3. Download and run Microsoft Office 365 Support & Recovery Assistant

If you’re getting The connection to Microsoft Exchange is unavailable error while using Outlook 2013, you might be able to fix this problem by downloading Microsoft Office 356 Support & Recovery Assistant tool. After downloading this tool, run it and let it fix any potential problems.

Few users reported that this tool fixed the Microsoft Exchange error message on their PC, so you might want to give it a try.

The connection to Microsoft Exchange is unavailable error will prevent you from sending or receiving any emails, but you should be able to fix this problem using one of our solutions.

READ ALSO:

ncG1vNJzZmivmaOxsMPSq5ypp6Kpe6S7zGiaqKaemrC1tc6nZK2nXaK2pL7OrKafrF2axaS0wKeenmWZqHq2usCvmKKkkZe5pnnWoqWdp6eoenJ8jg%3D%3D