ACTION MAY BE REQUIRED: EU0 Instance Refresh in November 2016

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As an admin of a Salesforce org on the EU0 instance, we would like to notify you of an upcoming instance refresh maintenance.

In order to prepare for your organization’s continued growth, we occasionally need to perform an activity, called an instance refresh, where we upgrade the infrastructure supporting your instance in our data centers. This will enable us to continue to provide your organization with the same levels of performance you have come to expect from Salesforce.

Following this maintenance, your instance will move to another data center within the European Economic Area, and the name of your instance will change to EU7. If you follow our best practices linked below, the maintenance should be seamless.

What action do I need to take?
Follow our best practices, outlined on the Salesforce Infrastructure Overview & Best Practices site, to ensure that you are prepared for this maintenance.

 
1. If you have any hard-coded references, you must update them to relative URLs or implement My Domain prior to the maintenance. Please note, not all hard-coded references are updated with My Domain. Review the Updating Hard-Coded References article for more information.
2. If your corporate network settings or email security filters restrict access to IP ranges or data centers, please ensure that you are including our current ranges.We made updates to our IP Ranges in August 2016.
3. Prepare to refresh integrations if you are experiencing integration issues following the maintenance.
4. Prepare to refresh your DNS cache if you continue to see a "Maintenance in Progress" alert following the maintenance window.
 

If you are not following our best practices prior to the scheduled maintenance window, your end users may no longer be able to access Salesforce after the maintenance is complete.

When will this maintenance occur?
The instance refresh will take place on Sunday, November 6, 2016 during the 02:00–06:00 UTC standard system maintenance window. Your org will be available in read-only mode for the duration of the maintenance.

How can I get more information?
We’ve created a one-minute readiness assessment and a three-minute mini video to help you determine what steps you may need to take to prepare.

More information is available in the Instance Refresh Maintenance article. We also encourage you to collaborate with other Salesforce users within the Official: Salesforce Infrastructure group in the Success Community.

For additional questions, open a case with Support via the Help & Training portal.

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