Deprecated NETDDE Functionality 
                                        AdminStudio 2021 | 21.0 | Application Manager
                                        For this operating system compatibility test, the Windows Installer database is scanned for the presence of any registry entries that reference NETDDE.EXE.
                                        Test Group/Test Category
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 0029—Operating System Compatibility/Windows 7 (32-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 0229—Operating System Compatibility/Windows 7 (64-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 0329—Operating System Compatibility/Windows 8.1 (32-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 0429—Operating System Compatibility/Windows 8.1 (64-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 2629—Operating System Compatibility/Windows 10-1803 (32-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 2829—Operating System Compatibility/Windows 10-1809 (and 2019 LTSC) (32-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 5029—Operating System Compatibility/Windows 10-1903 (32-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 5229—Operating System Compatibility/Windows 10-1909 (32-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 5429—Operating System Compatibility/Windows 10-2004 (32-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 5629—Operating System Compatibility/Windows 10-20H2 (32-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 2729—Operating System Compatibility/Windows 10-1803 (64-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 2929—Operating System Compatibility/Windows 10-1809 (and 2019 LTSC) (64-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 5129—Operating System Compatibility/Windows 10-1903 (64-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 5329—Operating System Compatibility/Windows 10-1909 (64-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 5529—Operating System Compatibility/Windows 10-2004 (64-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 5729—Operating System Compatibility/Windows 10-20H2 (64-Bit) | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 0129—Operating System Compatibility/Windows Server 2008 R2 | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 0529—Operating System Compatibility/Windows Server 2012 | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 0629—Operating System Compatibility/Windows Server 2016 | 
                                        
                                        
                                            
                                            
                                            
                                            
                                                |  | • | 1029—Operating System Compatibility/Windows Server 2019 | 
                                        
                                        Severity
                                        Error
                                        Message
                                        This Windows Installer database contains a Network DDE call [REGISTRY_VALUE] in registry entry [REGISTRY_KEY]\[REGISTRY_NAME] (Table: Registry, Key: [REGISTRY_ENTRY]).
                                        Background
                                        Microsoft deprecated Network DDE (NetDDE) in Windows Vista. NetDDE is a technology that allows applications that use the DDE transport to exchange data over the network. Applications that use this technology might fail.
                                        Note:Regular DDE is still supported.
                                        Resolution
                                        The following resolutions are available. Note that this issue is not resolved automatically by default.
                                        Manual Fix
                                        An application compatible with the specified Windows operating system should be delivered by its manufacturer. Self-developed applications should be re-engineered to use a different networking technology, such as DCOM or Windows Communication Foundation.
                                        Basic Auto Fix
                                        No resolution is available.
                                        Advanced Auto Fix
                                        No resolution is available.
                                        See Also
                                        Application Compatibility: Compatibility Risks