IBM BPM - Best practices

Below is a collection of best practices and knowledge resources I have gathered over the years on the IBM BPM (Business Process Manager) product. I am going to make this a live post by frequently adding articles and best practices I find worthy of from IBM and other external links.

Best practices: 

1. Performance: https://www.ibm.com/developerworks/community/blogs/5things/...
2. Process:  https://developer.ibm.com/bpm/docs/best-practices-recommendations/high-quality-processes/
3. Troubleshooting: http://www.ibm.com/developerworks/bpm/bpmjournal/1312_chan/1312_chan.html 
4. Error Handling: https://developer.ibm.com/bpm/docs/best-practices-recommendations/high-quality-processes/...
5. Speed: https://developer.ibm.com/bpm/docs/best-practices-recommendations/performance/ 
6. Installation: https://developer.ibm.com/bpm/docs/best-practices-recommendations/...
7. Toolkits: https://developer.ibm.com/bpm/docs/best-practices-recommendations/...

IBM Redbooks on IBM BPM: 

1. Leveraging the IBM BPM Coach Framework in Your Organization (SG24-8210-00)
2. Scaling BPM Adoption: From Project to Program with IBM Business Process Manager (SG24-7973-01)
3. Creating a BPM Center of Excellence (CoE) (REDP-4898-00)
4. IBM Business Process Manager V8.5 Performance Tuning and Best Practices

Knowledge management resources:

1. A 1500-page book on tips and How-To articles by Neil Kolban here: http://neilkolban.com/ibm/
2. Migrating instances using a policy file: https://developer.ibm.com/bpm/docs/upgrades-migration/migrating-flight-instances/
3. UI Performance: https://developer.ibm.com/recipes/tutorials/ibm-bpm-ui-performance/
4. Manging and using toolkits: http://www.ibm.com/support/knowledgecenter/en/SSFPJS_8.5.7/...
5. Purging Data: http://www.ibm.com/developerworks/bpm/bpmjournal/1312_spriet/1312_spriet.html
6. Tuning your instance migration: https://www.ibm.com/support/knowledgecenter/en/SSFTN5_8.5.6/...
7. Displaying detailed error messages generated by custom applications: https://www.ibm.com/support/knowledgecenter/SSFTDH_8.5.7/...

Known problems, and resolutions: 

What is blocking snapshot deletion: https://developer.ibm.com/answers/questions/250151/...