unity 4.05 with FO upgrade to 5.x (one new server)

[kiru]

currently

7825 (FO)

7835-H1 (primary)

unity 4.0(5)

going to:

7835-H2 (primary)

existing 7835-H1 (FO)

Unity 5.x

what is best way to do this with DiRT? which server should i upgrade first and/or fresh install?

please advise

[thfergus]

kiru, the procedure for this type of upgrade has been documented here:

http://www.cisco.com/en/US/partner/docs/voice_ip_comm/unity/5x/upgrade/guide/ex/5xcuruge020.html#wp1328523

Do you still have questions after reviewing the information contained at the above link?