- Issue
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When using a machine that previously had Microsoft SQL Server Compact Edition (CE) installed, you are unable to log in to the Unity Client.
- Resolution
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Remove the legacy registry entries for Microsoft SQL Server CE.
CAUTION:Modify the registry at your own risk. Incorrectly editing the Windows registry can cause serious problems that may require you to reinstall your operating system. Be sure to back up the registry before making any changes to it.
These registry entries are located at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server Compact Edition\v3.5 (32-bit operating systems) or HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Microsoft SQL Server Compact Edition\v3.5 (64-bit operating systems).