>Does Upgrading from ESX 4.0 to 4.1 requires any license update? In the environment i have ESX4 enterprise license and I am planning to upgrade ESXi 4.1 Do i have to renew or get new license for that?
No. No.
>or can i just use the current licenses?
Yes.
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MCITP: SA, MCTS Hyper-V, VCP 3/4, VMware vExpert
you are good to go using your current licenses.
>Does Upgrading from ESX 4.0 to 4.1 requires any license update? In the environment i have ESX4 enterprise license and I am planning to upgrade ESXi 4.1 Do i have to renew or get new license for that?
No. No.
>or can i just use the current licenses?
Yes.
---
MCITP: SA, MCTS Hyper-V, VCP 3/4, VMware vExpert