External support.
WHEN TO INVOLVE THEM
The fault is in their product It exceeds your access or knowledge You have a support agreement covering it
WHAT TO ESTABLISH BEFORE YOU NEED IT
What your agreement covers Response commitments How to raise a case What information they require
WHY IN ADVANCE
Establishing it during an outage wastes the time that matters.
WHAT TO PROVIDE WHEN RAISING A CASE
Product and version Exact error messages When it started What changed What you have already tested The impact
WHY THE IMPACT
It affects how they prioritise.
WHAT TO RECORD
The case reference, the contact, and what was said.
WHAT TO DO IF PROGRESS STALLS
Escalate through their process, with the reference.
WHAT TO AVOID
Accepting a vague answer Losing the thread between shifts Assuming they will chase you
WHAT TO MAINTAIN
Your own record, independent of theirs.
WHAT TO REVIEW
Vendor responsiveness, at renewal.
