Cisco DNCS System Release 2.7 3.7 4.2 Installation Guide
Chapter 2 Phase One - Perform Pre-Upgrade Checks
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Overview
Before you install an application platform software on your system, it is imperative
that you have a healthy system. If you do not have a healthy system, the installation
process could fail and disrupt service to your subscribers.
When Do You Begin Phase One?
Begin Phase One of the installation process 1 to 3 days before you plan to begin
Phase Two. This phase takes approximately 3 hours to complete.
You can complete Phase One during business hours.
You can complete Phase One during business hours.
What Do You Need?
Refer to What Do You Need? (on page 3) for the list of items you need.
In addition, this chapter refers to many procedures that are contained in the
In addition, this chapter refers to many procedures that are contained in the
publications listed in Related Publications (on page vii). Therefore, you may also
want to gather those publications before you begin.
What's Your First Step?
Before you begin Phase One, review the Phase One Checklist (on page 17) for an
overview of upcoming tasks to complete during this phase.
Also, contact Cisco Services to make sure that you have the latest version of the
Also, contact Cisco Services to make sure that you have the latest version of the
software and the software release notes.