BT HV Select Platform Planned Maintenance Notification

BT HV Select Platform Planned Maintenance Notification

We write to advise that our third party supplier, BT Wholesale, will be carrying out essential software upgrades to multiple servers on the HV.Select platform network infrastructure, to ensure ongoing stability and compatibility of the platform.


The upgrade to be applied to the UMS servers requires the locking out of both pairs of Application Servers (primary and resilient) whilst the upgrade is performed, necessitating a period of complete downtime of the platform.


  • Affected Services: BT HV.Select Platform
  • Type: Impact and Risk
  • Planned Start: 02/11/2017 21:01 GMT
  • Planned End: 03/11/2017 06:00 GMT
  • Reason for Change: Third Party Supplier Change
  • Third Party Supplier: BT Wholesale
  • Reference Number: HD782714

What does this mean?


During the upgrade work to the UMS servers, a complete service outage will be experienced for up to 45 minutes starting at 12:00am on 3rd November 2017. During this period it will not be possible to make or receive calls, including access to 999 services. Customers should ensure alternative means of accessing 999 emergency services are available for the whole of the maintenance window. Call forwarding and call diverts will not function during this time. In addition, any add on applications and portal access will also be unavailable.


Access to portals, apps and add on services will be available during this maintenance period, however it is recommended changes to services are not made during this period.


After the maintenance has been completed


If you experience any issues after the maintenance window has closed, please report these via our Service Desk on either 01142216000 or, quoting the reference number HD782714.