What to change
Plan isolation before launching the restored environment. Ask the supplier to identify outbound dependencies, scheduled activity and credentials that need safe substitutes or disabling during the drill. Use fictional data and verify that the test environment cannot unintentionally send real operational messages or duplicate work. The acceptance evidence should show both restored page behaviour and contained side effects, rather than assuming a private-looking hostname automatically makes the copy harmless.
A worked example
Illustrative example
Illustrative test: A restored copy performs its page checks while outgoing operational actions remain safely contained.
How to check the result
The drill proves recovery without modifying unintended live services.
A mistake to avoid
A different hostname alone does not isolate credentials or background activity.
Your action checklist
Use these checks to prepare a discussion with your team or supplier. Tick a check when you have recorded the decision or evidence, rather than when a feature has simply been promised.
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Further reading
These primary sources provide additional context for the project decisions above.
Related decisions
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