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Advance Notice: Scheduled Disaster Recovery Exercise | Saturday, October 24
Scheduled for Oct 24, 17:00 MDT - Oct 25, 03:00 MDT
Scheduled
Dear Valued Customer,
As part of our ongoing commitment to a secure and resilient platform, we're providing advance notice of a scheduled Disaster Recovery (DR) exercise GHX will conduct on Saturday, October 24, beginning at 5:00 PM Mountain Time. The GHX Exchange will be unavailable for approximately 10 hours while we execute a full failover test.
Here's what the window covers:
~4 hours: moving production to our backup region
~2 hours: confirming all systems perform as expected there
~4 hours: returning production to our primary region
Inbound transactions will not be received for the duration of our exercise and testing.
This exercise falls within the scheduled infrastructure maintenance windows outlined in our service agreements. We are providing advance notice well beyond our standard notice period given the scope of this exercise.
These are maximum time estimates; we will work to conclude sooner if possible. We recognize a window of this length requires planning on your end, and we want to give you as much runway as possible to prepare.
Why we’re doing this A full DR exercise is one of the most direct ways we confirm that GHX Exchange can recover quickly and completely in the event of a real regional outage, protecting your order flow, data integrity and business continuity. Running this proactively - on a planned schedule with advance notice - lets us validate that protection under controlled conditions.
What you should do: Automated transmissions from your ERP will report errors during the downtime window described above. GHX WILL NOT RECEIVE OR QUEUE THESE TRANSACTIONS FOR LATER DELIVERY.
Please prepare in advance to halt automated transmissions for the duration of the exercise.
We will send reminder communications as the date approaches, along with status updates during the exercise window itself.
Questions or concerns? Contact GHX Customer Care at support@ghx.com.
Thank you for your partnership as we continue to strengthen the reliability of GHX Exchange.
GHX Customer Care
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Frequently Asked Questions
Q: Why is this window longer than previous maintenance tests? A: This is our first extended, full-scale DR exercise, testing a complete regional failover and failback, not a routine update, which is why the window is longer than prior tests.
Q: Why Saturday and not Sunday? A: We selected the lowest-traffic window based on system usage patterns to minimize impact.
Q: Why October, and not a different month? A: This falls within our standard quarterly maintenance cadence. We chose this date to provide the longest possible advance notice.
Posted Sep 29, 2026 - 12:45 MDT
This scheduled maintenance affects: My Exchange Provider, Exchange Transaction Processing, eInvoicing Supplier, Vendormate Credentialing, and My Exchange Website.