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Exchange Server is Unavailable Error: Free and Tried Methods

Updated On - September 9, 2023 by Armaan |

Reading Time: 6 minutes

Exchange Server is a widely used email server software that provides a platform for managing and organizing email communications for businesses and organizations. However, sometimes Exchange Server users may encounter an error that says “The connection to Exchange Server is unavailable.“. This error can be frustrating as it can prevent users from accessing their emails and other important information stored on the server.

In this blog, we’ll discuss the causes of the “Exchange Server is Unavailable” error and provide several manual methods that can help users resolve the issue.

Causes of Exchange Server is Unavailable Error

The connection to Exchange Server is unavailable error can be caused by a number of reasons, including:

  • Network Issues: The server may be unavailable due to network problems, such as DNS issues, connectivity problems, or firewall restrictions.
  • Server Maintenance: The server may be down for maintenance or upgrades, which can cause it to become temporarily unavailable.
  • Software Issues: Exchange Server may encounter software errors that can cause it to become unavailable, such as errors in the server software or a corrupt database.
  • Hardware Issues: The server hardware may be faulty or damaged, which can cause the server to become unavailable.

Verified Solutions to Resolve Exchange Server is Unavailable Error

Here are some manual methods that can help you to resolve the Exchange Server is Unavailable error:

Method 1: Check Network Connectivity

The first step is to check the network connectivity between your computer and the Exchange Server. Check that your computer is connected to the network and that there are no connectivity issues. Also, ensure that your computer has a valid IP address and that it can communicate with the Exchange Server. If there are any connectivity issues, contact your network administrator.

Method 2: Restart the Exchange Server

Sometimes, the server may become unavailable due to a temporary issue or maintenance. In such cases, restarting the Exchange Server may resolve the issue. To do this, follow these steps:

  • Log in to the Exchange Server as an administrator.
  • Open the Services window by pressing Windows + R and typing “services.msc” in the Run dialog box.
  • Locate the Microsoft Exchange Information Store service and right-click on it.
  • Select the Restart option from the context menu.

Method 3: Check Exchange Services

Another reason for the Exchange Server is Unavailable error could be that some of the Exchange services are not running. To check the status of the Exchange services, follow these steps:

  • Log in to the Exchange Server as an administrator.
  • Open the Services window by pressing Windows + R and typing “services.msc” in the Run dialog box.
  • Locate the Microsoft Exchange Information Store service and ensure that it is running.
  • Check the status of other Exchange services, such as Microsoft Exchange Transport, Microsoft Exchange Mailbox Assistants, and Microsoft Exchange Active Directory Topology services. Ensure that these services are also running.

Method 4: Repair Corrupt Exchange Database

If the Exchange database is corrupt, it can cause the server to become unavailable. To repair a corrupt Exchange database, follow these steps:

  • Log in to the Exchange Server as an administrator.
  • Open the Exchange Management Shell.
  • Run the following command to verify the integrity of the Exchange database: ESEUTIL /MH “C:\Program Files\Microsoft\Exchange Server\V15\Mailbox\Mailbox Database\Mailbox Database.edb”
  • If the database is found to be corrupt, run the following command to repair it: ESEUTIL /P “C:\Program Files\Microsoft\Exchange Server\V15\Mailbox\Mailbox Database\Mailbox Database.edb”
  • After repairing the database, run the following command to defragment it: ESEUTIL /D “C:\Program Files\Microsoft\Exchange Server\V15\Mail

Apart from this manual method, you can use an automated tool name Regain EDB to PST converter tool to repair corrupt Exchange database.

Method 5: Check Firewall and Antivirus Settings

Firewall or antivirus settings can sometimes block the Exchange Server, causing it to become unavailable. Check the firewall settings to ensure that the Exchange Server ports are open. Also, check the antivirus settings to ensure that the Exchange Server files are not being quarantined or blocked.

Method 6: Check DNS Settings

DNS settings can also cause the Exchange Server is Unavailable error. Ensure that the Exchange Server is listed in the DNS server and that the DNS settings are correct. You can check the DNS settings by running the “nslookup” command in the command prompt.

Method 7: Reinstall Exchange Server

If none of the above methods work, you may need to reinstall Exchange Server. Before doing so, ensure that you have a backup of all your Exchange data. To reinstall Exchange Server, follow these steps:

  • Log in to the Exchange Server as an administrator.
  • Uninstall the Exchange Server software from the Control Panel.
  • Restart the server.
  • Reinstall the Exchange Server software.
  • Restore your Exchange data from the backup.

So, these are the manual methods, that you can use to resolve the Exchange server is unavailable error. Apart from this you can use an automated tool recommended for exchange administrators by Microsoft MVPs.

An Automated tool to fix all types of Exchange Server Issues

Regain EDB to PST converter is a software tool that allows users to convert EDB files from Microsoft Exchange Server to PST files for Microsoft Outlook. This tool can help users recover data from inaccessible or corrupt Exchange Server databases, including emails, contacts, calendars, tasks, notes, and more.

One of the benefits of using Regain EDB to PST converter is that it can help users recover data without needing to access the Exchange Server directly. This can be useful in situations where the server is unavailable or inaccessible due to technical issues or maintenance.

Free Download100% Secure Buy NowPrice: $89

Regain EDB to PST converter also provides a user-friendly interface and offers various features, including selective data recovery, preview of recoverable items, support for multiple EDB files, and more. Additionally, the software is compatible with various versions of Exchange Server and Microsoft Outlook, making it a versatile tool for recovering data from Exchange Server databases.

Overall, Regain EDB to PST converter can be a helpful tool for users experiencing the ” Exchange Server is Unavailable ” error and looking for a reliable solution to recover their Exchange EDB data.

Fix The connection to Exchange Server is unavailable error using Regain Software

Here are the general steps to use Regain EDB to PST converter tool to recover data from Exchange Server databases:

Step 1: Download and Install the Software

Download and install the Regain EDB to PST converter software from the official website.

Step 2: Launch the Software

Launch the software from your computer’s desktop or start menu.

Step 2

Step 3: Select the EDB File

Click the “Add EDB” button to select the EDB file that you want to recover data from. You can also add multiple EDB files if needed.

Step 3

Step 4: Select the Destination Folder

Choose the destination folder where you want to save the converted PST file. You can also select specific items or folders to recover data from.

Step 4

Step 5: Start the Conversion Process

Click the “Save Data” button to start the conversion process. The software will convert the EDB file to a PST file and save it to the selected destination folder.

Step 6: Preview and Save Recovered Data

Once the conversion process is complete, you can preview the recovered data in the software’s interface. You can also save the recovered data to your computer.

Step 5

Step 7: Save Log Report

After the conversion process, the software will generate a log report that you can save to your computer for future reference.

Conclusion

The “Exchange Server is Unavailable” error can be caused by various issues, including network connectivity problems, software errors, hardware issues, and more. However, by following the manual methods mentioned in this blog, you can resolve the error and regain access to your Exchange Server. If none of the manual methods work, it’s recommended that you should use Regain EDB to PST converter tool.

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Author: Armaan

Hello I have been working in Regain Software for the last 6 months. I have been in the field of writing for many years and worked with many Data recovery companies. Here I am writing technical blogs, Software User Guides and manual methods for email conversion and cloud migration. Now, working on all products of our company. Thanks you

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