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. Tackling these potential slowdowns directly can lead to more efficient surfing. Please add IMAP and SMTP settings to your Outlook app, you'll need to manually configure the account settings.

Step II: Check Network Settings

You can experience sync issues in Outlook due to poor or no network connectivity. So, first check if your internet flush DNS and re-sync Outlook connection is stable and working properly. If the connection is slow or inconsistent, you can restart the router or contact your internet provider/IT admin for help. Should problems continue after flushing your cache, examining additional factors like connectivity settings or even external influences such as your internet service provider might be worthwhile. Regular maintenance improves performance and helps ensure a seamless browsing experience.

• Being informed about your system’s configuration allows for a much smoother experience when addressing connectivity issues later on.
• These may be attributed to more than just outdated records; they could include other underlying network issues.
• Moving forward from a simple reboot, we now focus on ensuring that your network settings are configured correctly.
• After rebuilding the OST file, it’s important to check for any missing mailbox data.
• I have no issues sending email from same account from my phone, laptop, or web mail.
• To check if the security application is causing the issue, you can temporarily disable the antivirus program or Firewall and then update the folders.
• 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Terminal and run the command `sudo killall -HUP mDNSResponder` for macOS Mojave and later versions; this process clears outdated entries and can help resolve connectivity issues.

Method 2: Check if the Work Offline Mode is Disabled

This tool is designed to extract mailbox items from orphaned or inaccessible OST files. This command checks the listening services for DNS queries on port 53. Being informed about your system’s configuration allows for a much smoother experience when addressing connectivity issues later on. By adopting FixTechGuide Office 365 troubleshooting 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.



Having established how flushing the DNS cache aids in troubleshooting network woes, let’s shift our focus to what to consider if challenges linger afterward. With methods for Mac covered, let’s now explore how other systems manage their DNS cache flushing reset cached Exchange mode process effectively. In the Command Prompt window that has popped up, type ipconfig /flushdns and press Enter. Take a breath and watch as your screen returns a message that confirms all those stale entries in your DNS Resolver Cache have been successfully flushed away.

Solutions to Fix the Sync Issues in Outlook

The quickest method is to press Win + R, which opens up the Run dialog box like unlocking a door to an entire world of settings. What you’re doing here is providing your system with commands that can reshape its behavior. Now, manually sync your mailbox using the Update Folder button under the Send/Receive tab.

The journey of an Email: From sender’s domain to recipient’s inbox!

Imagine being able to load websites faster just by executing this simple command! This procedure proves especially useful if you’ve noticed that certain web pages are loading slowly or displaying outdated information after changes were made in your network configuration. This often happens because the cached DNS record is stale or incorrect. Flushing that cache wipes the slate clean, allowing your computer’s resolver to fetch the latest and most accurate IP addresses for websites. However, it’s worth noting some concerns from users on community forums regarding whether flushing the DNS could disrupt active connections.



It’s happened twice today, where I get a PC which is not connecting to Exchange server. I have no issues sending email from same account from my phone, laptop, or web mail. Moving forward from a simple reboot, we now focus on ensuring that your network settings are configured correctly. If prompted, enter your password—this is required for administrative privileges. Remember that while you type your password, no characters will appear in the Terminal for security reasons; just hit Enter once you’ve typed it.

Method 11: Clear Outlook Cache

After successfully flushing your DNS cache, if you’re still experiencing issues with connectivity, it can feel frustrating. A common problem users face is that certain websites might continue to be inaccessible or slow to load. This isn’t unusual—specific hiccups can arise when the system is still resolving domain name associations post-flush.



Now, let’s look at specific challenges that this simple action can resolve effectively. Resolving these concerns shouldn’t take long either; averages suggest that fixing slow connections often takes around 15 minutes, while addressing website access issues typically wraps up in about 10 minutes. Sometimes trouble can originate from the router side of things rather than your individual device. 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.