Take a breath and watch as your screen returns a message that confirms all those stale entries in your DNS Resolver Outlook OST vs PST repair Cache have been successfully flushed away. It’s almost symbolic—a fresh start for your internet browsing. When you clear out those old records, your system shortens the time it takes to resolve domain names—meaning that websites can load faster. Studies have shown that up to 30% of total page load times can be due to DNS resolution delays.

• Occasionally, users may flush their DNS cache only to realize that issues persist, such as slow-loading sites or connection errors.
• You can check the error message to find the cause behind the sync issue and fix it.
• For Mac users, you can use Terminal and run the command `sudo killall -HUP mDNSResponder` for macOS Mojave and later versions; this process clears outdated entries and can help resolve connectivity issues.
• By adopting flushing DNS cache as part of your routine tech maintenance, you’re better equipped to tackle frustrating internet issues while enhancing both speed and security.
• He can connect fine at home thus far, this issue seems present only when connected to our internal network.
• For instance, you might find that a website fails to load despite your internet being otherwise active.
• It’s happened twice today, where I get a PC which is not connecting to Exchange server.

Solutions to Fix the Sync Issues in Outlook

A large OST file can lead to performance issues and result in Outlook not syncing with the Exchange Server, disrupting your workflow. To resolve this, you can reduce the Outlook data file (OST) size. This can help optimize Outlook’s performance and fix the synchronization issues.

How to Resolve Sync Issues in Outlook – A Detailed Guide

This professional OST to PST converter tool can extract data from the backup OST file and convert it into PST file, which you can easily import into Outlook. You can easily search for the missing items, select them, and save them in PST and other file formats, such as MSG, EML, RTF, HTML and PDF. This tool is designed to extract mailbox items from orphaned or inaccessible OST files.

Method 12: Disable Security Applications

Restarting your router can refresh its internal processes much like restarting a computer would do for your operating system. One of the main benefits of flushing your DNS is the refreshing of these stored records. It’s like hitting a reset button on your connection to the internet’s vast landscape.

Flushing DNS Cache: A Step-By-Step Guide to Troubleshoot Your Connection

During the scanning process, security applications, like antivirus clear Outlook credentials manager software or Windows Firewall might lock the Outlook data file, leading to the sync issues. To check if the security application is causing the issue, you can temporarily disable the antivirus program or Firewall and then update the folders. If the issue is resolved, it indicates that your antivirus software or Firewall is interfering with Outlook.



According to a 2024 survey by TechRadar, about 40% of users who faced intermittent internet problems found relief simply by flushing their DNS cache. It’s such an effective method that many even suggest doing it regularly as routine maintenance for your home network. Flushing DNS on Linux can indeed feel a bit daunting due to the multitude of distributions available, each with its own quirks and methods. However, understanding which DNS resolver your system is fix MFA prompts not working using can simplify the process significantly. Most modern Linux distributions, especially those based on Ubuntu, utilize systemd-resolved or dnsmasq, while RedHat-based distributions often run the Name Server Cache Daemon (Nscd). Knowing this will help you execute the correct commands, expediting the troubleshooting process.