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Server Relocation during Exchange Online Operation

kobayashi 0 Reputation points
2024-07-19T03:36:22.1+00:00

I am using a translator, so I apologize if I am wrong.

Currently, the name server for the domain name acquired at Name.com is designated to Xserver, and the record designated by Exchange Online is registered as a DNS record on the Xserver side for operation. The contents of Exchange Online are used for e-mail, and the contents of Xserver are used for websites.

I am going to change Xserver to Sakura Server. Can I continue to use Xserver by simply changing the nameservers of the domain to Sakura and adding the records of Exchange Online to the DNS of the Sakura Server? Do I need to re-certify the server?

We would like to avoid the possibility of not being able to send or receive email at any time, so if there is a way to take over without a time lag, please let us know.

Thank you in advance.

Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
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  1. Jake Zhang-MSFT 3,100 Reputation points Microsoft Vendor
    2024-07-19T08:09:27.8266667+00:00

    Hi @kobayashi,

    Welcome to the Microsoft Q&A platform!

    According to your description, you can continue to use Exchange Online for email and Sakura Server for your website by updating your DNS records accordingly. Here is a general step-by-step process to make the switch with minimal downtime:

    1. Lower the Time to Live (TTL) values for your DNS records on Xserver at least 24-48 hours before making the switch. This will help propagate the changes more quickly when you update the records.
    2. Create a full backup of your website files and databases from the Xserver.
    3. Upload the backup to Sakura Server and set up your website there. Make sure everything works correctly by using temporary URLs or the server's IP address.
    4. Log in to your domain management panel at Name.com and change the nameservers to point to Sakura Server’s nameservers.
    5. Once the nameservers are pointed to Sakura Server, add all the necessary DNS records for Exchange Online to the DNS management section of Sakura Server. This would include the MX records, CNAME records, TXT records, etc., that are required by Exchange Online. You can find the exact records you need in your Exchange Online admin panel or documentation.
    6. Monitor the domain propagation. Once it has fully propagated, emails should start routing through Exchange Online seamlessly, and the website will be served from Sakura Server.
    7. After you're confident that everything is working correctly (I would suggest waiting at least another 48 hours), you can remove the DNS records from Xserver and close your account there if it’s no longer needed.

    During this process, no re-certification should be needed as long as the domain remains the same and you're just changing the server and DNS records.  However, if you're using any SSL certificates, you will need to make sure that they are properly installed on Sakura Server for your website to be served over HTTPS.

    By following these steps and coordinating the changes properly, you can avoid any significant downtime and ensure a smooth transition for both your website and email services.

    Please feel free to contact me if you have any queries.

    Best,

    Jake Zhang