The user can implement the solutions given below to resolve Exchange Server is not available Error in Outlook , , It is necessary to eliminate the issue as this will prevent the occurrence of other serious issues.
There should be a healthy network connection between the local client system and the Exchange Server. Due to an improper network connection, Exchange Server is Unavailable. Outlook must be online or connected to complete this action error occurs.
Follow the steps to fix this issue. Sometimes, the third-party applications such as anti-virus programs, software etc. Outlook must be online or connected to complete this action error. There is a conflict between the third-party applications and Outlook connecting to the Exchange Server.
Note: When Exchange Server is not available error in Outlook , , , encounters then the user might not be able to execute the emailing activities. This will help the user to use PST files in Outlook to establish email commutation process. If the issue is with your Computer or a Laptop you should try using Reimage Plus which can scan the repositories and replace corrupt and missing files. This works in most cases, where the issue is originated due to a system corruption.
Close Microsoft Outlook if it is open. Go to the Control Panel and double-click on the Mail Icon. The Mail Setup — Outlook dialogue box appears. Click on the E-mail Accounts button. Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft. It runs exclusively on Windows Server operating systems.
The first version was called Exchange Server 4. Exchange initially used the X. Until version 5. This was discontinued in favor of Microsoft Outlook. This article is for IT Pros and admins that are deploying and configuring Outlook for Windows for users in their enterprises. With Cached Exchange Mode, which is the default setting for users, Outlook no longer depends on continuous network connectivity for access to user information.
When a user is connected, Outlook continuously updates users' mailboxes so that the mailboxes are kept up to date. If a user disconnects from the network, for example, by moving to an area without Wi-Fi access, the user can continue to access the last available email data. Online Mode works by using information directly from the server, and, as the name implies, it requires a connection. Mailbox data is only cached in memory and never written to disk. Cached Exchange Mode is the preferred configuration in Outlook and is useful in the following situations:.
Even when it is configured in Cached Exchange Mode, Outlook must contact the server directly to do certain operations. These operations won't function when Outlook is not connected and can take longer to complete on high-latency connections.
These operations include the following:. Delayed delivery options are client side in cached mode and server side in online mode. So, when you use Cached Exchange Mode, Outlook must be connected and open at the assigned delivery time for the delayed delivery message to be sent. At setup, the user can decide to enable Cached Exchange Mode. In some cases, you can improve the performance of Cached Exchange Mode for your whole organization or for a group of users—for example, users who work remotely.
When you use Cached Exchange Mode, be aware that users' local. The format that Outlook uses to store data locally for Cached Exchange Mode is less space-efficient than the server data file format. The maximum size for. The default is 50 GB of data storage. Make sure that users'.
For more information about how to deploy. For more information about how to configure. When upgrading, if you do not change Cached Exchange Mode settings, the same settings are kept for Outlook However, by default, when Outlook is installed and Cached Exchange Mode is enabled, a new compressed version of the Outlook data file.
The earlier version of the. The following steps getting the DC name on the problematic client you can refer to:. Office Office Exchange Server. Not an IT pro? Sign in. United States English. Ask a question. Read time 4 min. Sometimes, the error occurs due to bad Internet connection and resolves after establishing a proper connection. But if the error remains to bother you, then you should look for various troubleshooting methods based on the cause of the error.
Getting the error in Outlook does not necessarily mean that fault is on your side, but the Exchange Server may be down at the time, and you can wait for it to start working again.
There are several third-party applications like anti-malware, monitoring applications, etc. Sometimes, the anti-malware software of your system may stop the working of Outlook.
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