1. Update the config file: my.ini
C:\Program Files\MySQL\MySQL Server 5.1\my.ini
Add the following lines
#attachment size
max_allowed_packet=4M
2. restart mysql service
1. Update the config file: my.ini
C:\Program Files\MySQL\MySQL Server 5.1\my.ini
Add the following lines
#attachment size
max_allowed_packet=4M
2. restart mysql service