Make sure you do not check in the .suo file.

>>You should make sure to uncheck the Apply server settings to all Users checkbox - this syncs the settings across everybody who opens the project. Unchecked means your local settings are stored in the solution .SUO file which is local to you and not shared. This way everybody can have their own settings. After you change anything in this section, make sure you explicitly save your project and solution (Save All from File Menu).
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>That's good to know.