Deprecated NETDDE Functionality
AdminStudio 2025 | 29.0 | 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
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2829—Operating System Compatibility/Windows 10-1809 (and 2019 LTSC) (32-Bit)
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7029—Operating System Compatibility/Windows 10-21H2 (32-Bit)
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7229—Operating System Compatibility/Windows 10-22H2 (32-Bit)
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2929—Operating System Compatibility/Windows 10-1809 (and 2019 LTSC) (64-Bit)
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7129—Operating System Compatibility/Windows 10-21H2 (64-Bit)
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7329—Operating System Compatibility/Windows 10-22H2 (64-Bit)
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7429—Operating System Compatibility/Windows 11-22H2 (64-Bit)
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7529 —Operating System Compatibility/Windows 11-23H2 (64-Bit)
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7629—Operating System Compatibility/Windows 11-24H2 (64-Bit)
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0529—Operating System Compatibility/Windows Server 2012
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0629—Operating System Compatibility/Windows Server 2016
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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.
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