I had a bit of a hard time find this doc on MOL so I thought I'd paste it here.
Feel free to add your experience.
Ralph
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Knowledge Base Article
Article ID #
11-5163-00014 Article Type
How-To Guide
Article Title
How to remove a Controller from an existing Cluster Publish Date
Jan-10-2012
Description/Symptoms
How to remove A network element from a cluster
Body/Solutions
If you are going to remove a controller from a sds network you cannot just power down and remove controller.
You must leave controller running and delete all extensions and have them sync to all other controllers in network . Then delete the switch out of cluster and delete network element
Details can be found in the online 3300 help under: SDS - Removing a Data-Sharing Element
Test Result
Article Search Keywords
SDS, remove, element
Product(s) Product Release(s)
3300 Integrated Communications Platform (ICP) 4.0; 4.1; MCD 4.0; MCD 5.0
Product Family Operational Task
Integrated Communications Platform Maintaining/Upgrading; Programming