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Summary
This article addresses whether or not the WordML Toolbar 4.2.0 SP1 product supports Windows Server 2008 R2
Question
Does the WordML Toolbar 4.2.0 SP1 product support Windows Server 2008 R2
Answer
As this is a legacy product it is not officially supported by Windows Server 2008 R2 and SP1 will not run on this platform.
However the Windows 7 version of the toolbar (WordMLToolbar-4-2-0-SP2) does in fact run on it even though not officially supported. This means however that any issues found with WordMLToolbar-4-2-0-SP2 on Windows Server 2008 R2 that are not reproducible on a supported platform are unlikely to be addressed.