Not able to add HPE download source in VUM 6.5 U2

Below two urls not able to add in download source in VUM for downloading the HPE drivers and firmware.

http://vibsdepot.hpe.com/index.xml

http://vibsdepot.hpe.com/index-drv.xml

Error

The download source http://vibsdepot.hpe.com/index.xml is invalid or cannot to reached now.

vCSA 6.5 U2 (vCenter and PSC same server)

Any solution for this issue?