Access to your data at a moment’s notice—even during our planned maintenance windows.
To minimize interruption to your business, Salesforce gives users read-only access during
splits, instance migrations, instance switches, pre-scripts, and certain other maintenance
events.
Required Editions
Available in: All Editions
What to Expect in Read-Only Mode
When Salesforce is in read-only mode, you can navigate within the application and view and
report on your business data. Activity reminders don’t occur, and Recent Items lists don’t
update. Login history is still recorded for compliance purposes, but it isn’t reflected in
your organization until a few minutes after the organization exits read-only mode.
During read-only mode, you can’t:
Add, edit, or delete data
Perform any actions in Salesforce that modify your Salesforce data. For example:
Post on Chatter
Use Chat
Refresh dashboards
Perform API write or edit actions
Perform bulk API read actions
Save new or edited reports
Access the forecasts page
When your organization is in read-only mode, users see a banner at the top of their browser
window:
When to Expect Read-Only Mode
The maintenance schedule posted on trust.salesforce.com indicates whether each upcoming maintenance
window includes read-only access. Planned maintenance windows vary in length depending on
the level of maintenance needed. In addition, when users are notified two weeks before a
planned maintenance window, the notification specifies whether the maintenance includes
read-only access.
If you’d like to see how your organization works in read-only mode, contact Salesforce to
have the testing option enabled in your sandbox organization.
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