Machine & System Requirements (pdf)
                        
                    
                
                Machine:
                
                    Instant Chime works well with standard physical or virtual machines and may be installed
                    on common platforms including: Microsoft HyperV, Microsoft Azure, Amazon AWS, Google.
                
                Base Machine Specifications:
                
                    
                        
                            | # Queues | RAM | Processor | File System | Database Size | 
                        
                            | 1-5 | 4 GB | 1-2 Core | 100 GB | 1 GB | 
                        
                            | 5-20 | 6-8 GB | 2-4 Core | 200 GB | 2 GB | 
                        
                            | 20+ | 12 GB | 4 Core | 200 GB | 3 GB | 
                    
                 
                OS and Overview:
                
                    - 
                        64-bit Windows Server: 2008 R2, 2012, 2012 R2, and 2016
                        
                            - 
                                Server 2008 R2 requires Desktop Experience feature to be installed
                            
- 
                                Server 2012/2012 R2, and 2016 require Media Foundation feature to be installed
                            
 
- 
                        Instant Chime Application should not be installed on the same server hosting
                        Microsoft Lync/S4B
                    
- 
                        Instant Chime does not require Microsoft IIS since Instant Chime includes HTTP
                        via OWIN
                    
Database Connectivity:
                
                    Database access and connection to Microsoft SQL Server or Microsoft SQL Express
                    (typically SQL Express used during evaluation).
                
                
                    - 
                        Account with create access to SQL server (for building and updating the Chime database)
                    
- 
                        Account with read\write access to Chime database
                        
                            - 
                                The application supports both SQL and Windows server authentication options
                            
- 
                                Note:
                                For optimal performance, Chime and SQL Server should be in the same physical site
                            
 
Active Directory Access:
                Read Access to Windows Active Directory
                Additional Information:
                
                    
                        
                            Chime 2.x (self hosted) with Office 365 and Skype for Business support
                        
                    
                    
                        
                            - .NET Framework 4.5.1+
- UCMA 4.0
- SQL Server 2008 R2+ (SQL Express, Standard, Enterprise...)
- 
                                Office 2013 Lync / Office 2016 Skype for Business
                                
                                    - Lync 2013 Basic cannot be used
 
- 
                                1 Office 365 Skype for Business account per queue
                                for the queue dispatcher
                                
                                    - Lync Online Plan 2 and Microsoft Office 365 with Lync Plans are supported
 
- 1 Office 365 Skype for Business account for the web client
 
                 
                
                    
                        
                            Chime 2.x (self hosted) with Lync On-Premise support
                        
                    
                    
                        
                            - .NET Framework 4.5.1+
- UCMA 4.0
- SQL Server 2008 R2+ (SQL Express, Standard, Enterprise...)
- 
                                1 Lync/Skype for Business account per queue for the queue dispatcher
                            
- 1 Lync/Skype for Business account for the web client