To avoid dual maintenance for SAP upgrade from EPH5 to EPH7, can you import transports from production landscape of ECC 6.0 EPH5 to SAP upgrade landscape of ECC 6.0 EPH7 (Development Environment)?
Will SAP allow transport from EPH5 to EPH7?
If allowed, is this strategy recommended for an upgrade project?
What other issues project may phase with this strategy?