1. Enable Root user from Finder > Utility > Directory Utility.

Picture 1

2. Open Terminal from Utilities. Type the following commands.

root # cd /usr/sbin/
root # mv sysctl sysctl.bak
root # touch sysctl

3. Paste this code inside the file using VI.

#!/bin/bash
echo “kern.osrelease = 8.10.0″

Apply chmod a+x to sysctl for the script to be runnable.

4. Run and install Lotus Notes 7.x.x installer.

5. After instaling, delete the ‘fake’ sysctl file and rename the sysctl.bak to original:

root # rm sysctl
root # mv sysctl.bak sysctl