[MSDN Library June 1998] Only one database connection at a time is supported (19.5541435864016%)

MSDN Library Visual Studio 6.0 > Visual SourceSafe Documentation > Reference Guide > Error Messages

[MSDN Library June 1998] Only one clustered index can be created on table ' (19.3730063795853%)

MSDN Library Visual Studio 6.0 > Visual Studio Documentation > Data Access Tools and Technologies > Microsoft Visual Database Tools > Interface Reference > Troubleshooting Error Messages > Database Designer Troubleshooting Errors

[MSDN Library June 1998] Only One Default Gateway Allowed on Proxy Server (18.6038961038961%)

MSDN Library Visual Studio 6.0 > Knowledge Base > Proxy Server

[MSDN Library June 1998] Only one ROWGUID column is allowed per table. (18.009370015949%)

MSDN Library Visual Studio 6.0 > Visual Studio Documentation > Data Access Tools and Technologies > Microsoft Visual Database Tools > Interface Reference > Troubleshooting Error Messages > Database Designer Troubleshooting Errors

[MSDN Library June 1998] Only One Media Mode Bit Is Set (17.2667957042957%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TAPI Version 2.1 > Overviews > Multiple-Application Programming > Duties of the TAPI Dynamic-Link Library

[MSDN Library September 1992] Only Spaces May Separate Additional Libraries in PWB (16.1904761904762%)

Knowledge Base and Bug Lists > Programmer's WorkBench KBase

[MSDN Library September 1992] Only Certain C Library Functions Have an Intrinsic Form (12.7296777296777%)

Knowledge Base and Bug Lists > C/C++ KBase