SP1 SCCM 2012 R2 Installation Resources

This is nothing but a cross post, containing links to useful blog postings all about rolling out SP1 for SCCM 2012 R2. So all credits go to the people who wrote them.

1. System Center Dudes
   Step-by-Step SCCM 2012 R2 SP1 Upgrade Guide
   
   
2. Ronni Pedersen
   Installing SCCM 2012 SP2/R2 SP1 – Quick Start Guide
   
   
3. Anoop C Nair
   Download and Upgrade SCCM 2012 R2 SP1 and SCCM 2012 SP2 without any Confusion
   
   
4. Henk Hoogendoorn
   Check the database before doing a ConfigMgr 2012 R2 SP1 upgrade
   Doing a ConfigMgr 2012 R2 SP1 upgrade (Notes from the field)
   
   
5. TechNet
   Upgrade Configuration Manager to a New Service Pack