You need to set the recoverable message property to true. This will write
the message to disk, but will impact performance greatly. (See white paper
documents)

See this link:
http://www.devx.com/enterprise/Article/22314




>From: "shahbaz_yousuf555" <shahbaz_yousuf555@...>
>Reply-To: msmq@yahoogroups.com
>To: msmq@yahoogroups.com
>Subject: [msmq] how to store messages permanently!!
>Date: Fri, 06 Oct 2006 17:23:40 -0000
>
>Hello ppl..i am new to msmq..I am trying to store messages from
>asp.net into message que.The messages are gettin store in the que.But
>once i switch off my computer ,then there are no messages left in the
>que.How can i permanently store the messages in the que.
>
>Thanks and Regards,
>
>Shahbaz Yousuf
>
>
>
>
>
>