What is the failure rate for a BES service pack upgrade?
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I have the last of three major upgrades of my main BlackBerry environment this week. First, I used the knife-edge cutover process to physically move the BES 184.108.40.206 for Domino with local MSDE to another physical server in a different data center. No issues.
Next, I migrated the besmgmt database to a remote SQL server. No issues.
Finally, I need to do an in-place upgrade of the BES 220.127.116.11 (500 users) to a later version in the same codestream...probably 18.104.22.168 since that's what my test server is running.
I've read all the best practices, it worked fine on my test server that is setup the same except for the number of users, I have a ticket open with RIM just in case, and everything is backed up.
But I'm curious...what is the failure rate for service pack installations? Also are there any under-the-hood changes that I may be missing in the documentation that may impact the network?
BES 22.214.171.124 5/19/04 until 8/31/10 RETIRED
BES 126.96.36.199/Domino 6.5.4 FP2 580 users RETIRED
BES 5.0.1/Domino 8.5.1 223 users RETIRED