I was wondering if there is a possibility for BizTalk to run only one
instance of an Orchestration even if there is a lot of messages in the Queue?
By running one instance I mean that the MSMQ receive adapter reads one
message from the queue, starts the orchestration, finish the processing of
the file before it receives the next message in the queue? This means no
parallel processing of messages. Could this be done by using Order delivery?

I'm no BizTalk expert but... I think you can accomplish the one-at-a-time
behavior you want by assigning the orchestration to a host instance and
configuring that host instance to have a thread pool of one. This would
probably be a separate dedicated host instance so that other processes on
your server can continue to run in host instances with multiple threads and
parallel throughput.

Zoe

"Karsten" discussions.microsoft.com> wrote in message
news:813F9D5E-B89B-44C3-8197-A201C42A56D5@microsoft.com...

On May 14, 3:25 pm, "Zoe Hart" nospam.competitive.com>
wrote:

Thanks for your replies,
"Sequential Convoy" was not the solution to my problem. My case is that I
want to drop 2 XML files to the Receiveport in BizTalk. this Receiveport
starts an orchestration that just have a delay of 10 seconds and puts the
same XML file out in an other location. I want BizTalk to prosess only one
file at the time. The result should be that the last file appears in the
outbox 10 seconds after the first one, even if they are dropped to the In
Port at the same time.

Karsten
--
Solution Architect

"Manan" wrote:

I actually think a sequential convoy will answer your requirement.
the key is to correlate on the receive port or something so that the second
message picked up is queued to the first instance created and does not
initiate a new instance.

I think a lot has been written on the subject. a quick search on the web for
"BizTalk Singleton" would take you to the right places.

here's one -
http://aspalliance.com/1208_Singleton_Orchestration_in_BizTalk_Server

--
Yossi Dahan
MVP BizTalk Server
http://www.sabratech.co.uk/blogs/yossidahan

"Karsten" wrote:

On May 16, 9:24 am, Yossi Dahan [MVP]
THISsabratech.co.uk> wrote:

It really depends on your requirements.
As far as I know the sequential convoy pattern has no requirement on ordered
delivery. in fact it was introduced with the beginning of BizTalk 2004 where
ordered delivery was not provided.

If you do need ordered delivery you are more limited of course.

--
Yossi Dahan
MVP BizTalk Server
http://www.sabratech.co.uk/blogs/yossidahan

"Manan" wrote:

"Singleton Orchestration" was the answare to my question. Thanks a lot.
Karsten
--
Solution Architect

"Yossi Dahan [MVP]" wrote: