Why the process chain always run twice when triggered from R3?

I run a program from R3 by calling the remote function 'RSSM_EVENT_RAISE' on BW to trigger an event and in turn the event on BW bring up the running of a process chain. But whenever I run the program on R3 to bring up the running of the process chain, I find the process chain always run twice at the same time. Does anybody knows the answer?
And also I would like to know the functionalities of the two picture buttons "Activate" and "Activate and Schedule" in process chain. In which case the "Activate" button should be used and in which case, the "Activate and Schedule" button should be used? If we click the Start variant of a process chain, then click "Change Selections" button which bring up the window "Start Time" where the buttons "Immediate", "Date/Time", "After job", and "After event" are listed at the top. If we modify at any of the above buttons, then after save this modification, we will have to click "Activate and Schedule" button to make it work, right?
Thanks a lot and everyone's idea is greatly appreciated!

Kevin, make sure there is only one job scehduled for the Start Process of your Process Chain. If you bring up the Process Chain (not the log view), right click on the Start Process and select "Displaying Scheduled Job(s)...". There should only be one scheduled job with name BI_PROCESS_TRIGGER. If there is more than one, then when triggered, it would execute more than once at the same time. If there is only one job, then maybe your R/3 program is triggering the event more than once?
As far as the Start conditions for the Start Process, it works off the same principals as a scheduled job. These start conditions determine when or how the Process Chain is to be executed. You also have control over frequency. These start conditions determine the scheduling of the Start Process of your Process Chain.
When you schedule a Process Chain, a separate scheduled job is created for "each" process in the Chain. BW controls the triggering of these jobs based upon how the processes in the Chain are linked. All the jobs associated with Process Chains have strict naming conventions and all begin with BI_PROCESS_... If you use SM37 to view all jobs that begin with BI_PROCESS_ you will find alot of scheduled jobs associated with your process chains. Each job represents one of the processes within your process chains.
Does this help?
Another tip might be to trigger the event manually in BW (use tx SM64). If the process chain executes twice again, then maybe there is a separate scheduled job in BW that triggers the process chain that is triggered by the same event as the start process of the process chain.
Message was edited by: George Shannon

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Hi experts,
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HI Vamshi:
Take a look at note 409239.
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bump

SET CURRENT DEGREE = 1..error when run the process chain..

Hi Experts,
when i run the process chain , i got the following error..
SET CURRENT DEGREE = 1..
what is this error?
Kindly help ..

hi,
As BW reporting queries are often CPU-intensive and geneally executed in parallel.
Parallel processing is activated dynamically in the SAP BW system for every reporting query CURRENT DEGREE = ANY and itsdefault value is 1.
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check SAP Note:390016 -DB2/390: BW: Database settings and performance ; in that look at query parallelism it explain about this
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Hai
Iam planning to run the process chain for loading the data into ODS. But i dont have authorization for it.
so what are the authorizations i need to run the process chain in my system. And how can i set all those authorizations to my user-id. I have all authorization rights .
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Hi,
Authorizations for Process Chains
Use
You use authorization checks in process chain maintenance to lock the process chain, and the processes of the chain, against actions by unauthorized users.
·        You control whether a user is allowed to perform specific activities.
·        You control whether a user is allowed to schedule the processes in a chain.
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See also: Display/Maintenance of Process Chain Attributes ® Execution User.
Features
For the administration processes that are bundled in a process chain, you require authorization for authorization object S_RS_ADMWB.
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Use
You can display technical attributes, display or create documentation for a process chain, and determine the response of process chains during execution.
Features
You can display or maintain the following attributes for a process chain:
Process Chain ® Attribute ® ...
Information
Description
( Rename)
You can change the name of the process chain.
Display Components
Display components are the evaluation criterion in the process chain maintenance. Assigning the process chains to display components makes it easier to access the chain you want.
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Documents
You can create and display documents for a process chain.
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Last Changed By
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·        Object directory entry
Evaluation of Process Status
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The indicator is relevant when using metachains: Errors in the processes of the subchains can be evaluated as unimportant for the metachain run. The subchain is evaluated as successful, despite errors in such processes of the subchain. If, in the metachain, the successor of the subchain is scheduled upon success, the metachain run continues despite errors in unimportant processes of the subchain.
Mailing and alerting are not affected by this indicator and are still triggered for incorrect processes if they have an upon error successor.
Polling Indicator
With this indicator you can control the response of the main process for distributed processes. Distributed processes, such as the load process, are characterized as having different work processes involved in specific tasks.
With the polling indicator you determine whether the main process needs to be kept until the actual process has ended.
By selecting the indicator:
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Monitoring
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For more information about the CCMS context Process Chains, see the section BW Monitor in CCMS.
Alerting
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Background Server
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Processing Client
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If you do not maintain this attribute, you can display, edit, schedule or execute the process chain in all clients.
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Execution User
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Hareesh

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Hello
Thanks for your reply
the problem was with the way it was schudled, the chian was ticket at periodic run , as a result it as running automatically, and causing problem.
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Edited by: Ranjith Kumar Murugesan on Sep 12, 2008 10:44 AM
Edited by: Ranjith Kumar Murugesan on Sep 12, 2008 10:46 AM

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Why the process chain always run twice when triggered from R3?

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