Yes but it requires WCS. You would create a ap template and add the controller name and ip and then push the template to the aps.
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"Satisfaction does not come from knowing the solution, it comes from knowing why." - Rosalind Franklin
If you are savvy with scripts you could also create a shell script or similar that logs into the WLC via SSH and runs the CLI commands to assign the primary controller to each AP if you have a CSV list of AP names for example.
Transferring Crash file from standby: Login to the Active WLC in HA.
From CLI: (Cisco Controller) >transfer upload datatype crash (Cisco
Controller) >transfer upload filename (Cisco
Controller) >transfer upload mode tftp (Cisco Controller) >transfer
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