What are the precautions need to take upgrading SCCM primary passive site
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We have a standard alone primary site having SCCM2006 and planning to upgrade to 2107.
High Availability configured, so have one passive site (node ) also.
1)While upgrading, do we need to take site backup from the passive site also.
2) Is it recommended to run a passive prerequisite check once we failer over the active site.
3) Do we need to separately upgrade the passive primary site after the upgrade of the active one
Answer ( 1 )
I don’t have any experience on this scenario. Also I can’t find many documentation about this scenario.
Reduce or remove other scheduled activities at the same time. For example, don’t plan to promote a site server immediately after updating the site to a new version. Site update includes other tasks that can potentially conflict with the site server promotion.
This is the only note I could find on Microsoft doc page https://docs.microsoft.com/en-us/mem/configmgr/core/servers/deploy/configure/site-server-high-availability
Since this is production scenario… I would recommend opening an advisory support case with Microsoft to get more clarity on those three questions.
Here’s an example of how other activities can conflict with site server promotion:
Monday: Update the site to the latest version. Enable automatic client upgrade with client piloting.
Tuesday: Promote the site server in passive mode to be the active site server.
By Wednesday or Thursday, this action may cause all clients to upgrade, not just the pilot collection. This behavior can cause significant network usage and unexpected load on the distribution points.