Azure Stack Service Failover for Upgrade - Impact to XAG, XDH and DFV services
Scheduled for Jan 24, 02:00 - 16:00 GMT
Scheduled
Please be advised of a planned upgrade to DXC’s Azure Stack in the Primary Data Centre. As part of the change DXC will be failing over the XAG, XDH (back-end only) messaging services and DFV applications to the Secondary Data Centre on Saturday 24 January 2026. The applications will remain live in the Secondary Data Centre for the duration of the upgrade process.
Services will be brought back to the Primary Data Centre on Saturday 14 March 2026.
Impact to customers The XAG, XDH and DFV services will be unavailable between 02:00 – 16:00 on Saturday 24 January 2026.
Reminder Please ensure that the XAG DR IP Address is present in any Whitelisting you have enabled in your network security.
Primary DC (Current Production) - XAG Source IP Address 159.101.236.3 # This is the address from which XAG is sending data back to customers. Primary DC (Current Production) - XAG Destination IP Address 159.101.237.41 # This is the target IP address that customers connect to when accessing the system: (https://xag.xchanging.com/wcl/inbox/dri.aspx)
Secondary DC (DR) Will be live from 16.00 Saturday 24 Jan 2026 – 16:00 Saturday 14 Mar 2026 - XAG Source IP Address 159.101.240.3 # This is the address from which XAG is sending data back to customers. Secondary DC (DR) Will be live from 16.00 Saturday 24 Jan 2026 – 16:00 Saturday 14 Mar 2026 - XAG Destination IP Address 159.101.241.41 # This is the target IP address that customers connect to when accessing the system: (https://xag.xchanging.com/wcl/inbox/dri.aspx)
Should you have any questions regarding this communication, please email the DXC Service Centre service.centre@dxc.com or call 0870 380 0830.