Refer to your email service provider’s official documentation for the correct SMTP settings if you’re unsure. Temporarily disabling antivirus and firewall tools helps determine whether they’re interfering with Outlook’s communication. If the server is down, you’ll need to wait until Microsoft or your email provider resolves the issu


Another which is shown below, is a user opens a new message, or replies to one, and lets it sit for a while. When they go back to the message and press send they get an error that the message has been deleted. Ive repaired the OST and changed cache mode to only cache 1 yea


The Microsoft Exchange Server Client Connectivity Diagnostic collects comprehensive information that can be used to troubleshoot client connectivity issues. Use this Support Diagnostics Platform (SDP) manifest on an affected server that is running Exchange Server and that has the Client Access server role. This bundle of network connection functions is known collectively as Exchange Web Services. These tests are also very useful when you first set up an instance of Exchange Server and want to ensure that it has been installed properly. ManageEngine Exchange Reporters Plus is a standalone package that tests and examines Microsoft Exchange on-premises and in the cloud. The service doesn’t just give you a library of reports about Exchange Server but FixTechGuide email error solutions it also provides ongoing performance monitorin


Incorrect Outlook settings can also be one of the reasons behind Outlook synchronization errors. This issue usually happens when Outlook cannot properly connect or sync with your mail server. In this FixTechGuide tutorial, we’ll explore the causes and give you clear, step-by-step solutions to fix it fast. Users can also convert OST files into various file formats, including PST, HTML, EML, MSG, vCard, etc. It also provides the option to export the Outlook OST file into Office 365 and Live Exchange mailboxe


This tool also helps users fix Outlook syncing issues by repairing OST or PST files and syncing the data smoothly. These syncing problems usually happen because of issues like a damaged Outlook profile, poor internet connection, or a corrupted OST file. If restarting Outlook or fixing the profile doesn’t work, converting the OST file is often the next step. EdbMails OST to FixTechGuide email error solutions PST Converter can help in these cases by recovering data from the inaccessible OST files and restoring them without data loss. The other solution to fix Outlook sync issues is recreating Microsoft Outlook profil


These syncing problems usually happen because of issues like a damaged Outlook profile, poor internet connection, or a corrupted OST file. If restarting Outlook or fixing the FixTechGuide email error solutions profile doesn’t work, converting the OST file is often the next step. EdbMails OST to PST Converter can help in these cases by recovering data from the inaccessible OST files and restoring them without data loss. The other solution to fix Outlook sync issues is recreating Microsoft Outlook profil

Self-service support is available for all Microsoft 365 operated by 21Vianet users, and includes troubleshooting tools and videos, help articles and videos, as well as forums and wikis in the Microsoft 365 community. For more self-help resources, see Microsoft 365 operated by 21Vianet. You must be an admin for a business subscription to use these support methods. Explore learning tools to collaborate on projects together and independently, all in one place. Create equitable learning environments that help students develop knowledge with familiar apps essential to both academic and future career success.


If the problem doesn't occur after you restart Outlook, one of the add-ins is likely the cause of the problem. Restore the add-ins one at a time until the problem does occur to determine which add-in is causing the problem. Many of these items can be automatically checked by the Classic Outlook Advanced Diagnostics troubleshooter. Right-click the folder, and then click Properties to check your permissions for the folder. See the folder owner or your administrator to change your permission

Check out all of our small business content on Small business help & learning. For more information about the availability of support throughout the life of your product, visit the Microsoft Lifecycle Policy. See the table below for the type of support you can get depending on your product.


By following the detailed troubleshooting steps above, you should be able to identify and resolve the problem preventing Outlook from connecting to the Exchange server. Exchange connectivity can be influenced by numerous factors, including network configurations, firewall settings, DNS records, and client settings. For IT administrators, it’s crucial to identify and resolve issues related to these elements to maintain stable and secure access to the Exchange environmen


If you’re using Microsoft 365, you can also check real-time server status on the Microsoft Service Status page. Outlook Add-ins are designed to enhance functionality, but some can conflict with email operations, particularly when sending or syncing messages. Find solutions to common problems or get help from a support agen