After setting the values for the following Teamcenter preferences the option for "Open in NX" is not available in Active Workspace.
AWC_NX_OpenOldDatasetVersionIsEnabled
AWC_NX_OpenRelationBrowserSupportedTypes
AWC_NX_OpenRequirementLinksSupportedTypes
AWC_NX_OpenSupportedTypes
AWC_NX_OpenUnsupportedTypes
Execute these commands in the Teamcenter Command Prompt;
preferences_manager -u=infodba -p="xxx" -g=dba -mode=import -action=OVERRIDE -scope=SITE -context=Teamcenter -file=%TC_ROOT%\install\awn0nx\awn0nx_preference_override.xml
preferences_manager -u=infodba -pf="xxx" -g=dba -mode=import -action=MERGE -scope=SITE -context=Teamcenter -file=%TC_ROOT%\awn0nx\awn0nx_preference_merge.xml