![Removing # at Header in Informatica PowerCenter issues-after-qlikview-version-upgrade-on-passive-node-of-production-servers](https://www.s-squaresystems.com/wp-content/uploads/Removing-at-Header-in-Informatica-PowerCenter.png)
While creating flatfile with header line by using session level header command, by default it adds # symbol in header as shown below
![Picture118](https://www.s-squaresystems.com/wp-content/uploads/Picture118.png)
To overcome this issue please follow below steps:
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- Go to Workflow Monotor-> Right click on Session ->open Edit Task->
- Open Config objects as shown in below screenshot and then edit custom properties.
![Picture119](https://www.s-squaresystems.com/wp-content/uploads/Picture119.png)
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- By clicking on custom properties below window will appear hence Add attribute-value as ‘RemoveOutputHeaderHash’ and value as ‘Yes’ as shown below screenshot.
![Picture120](https://www.s-squaresystems.com/wp-content/uploads/Picture120.png)
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- Click on ok, config object window will add the attribute value will add to custom properties as shown below and click on ok.
![Picture121](https://www.s-squaresystems.com/wp-content/uploads/Picture121.png)
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- Save workflow and right click on the session and click on start workflow monitor.
![Picture122](https://www.s-squaresystems.com/wp-content/uploads/Picture122.png)
Workflow Monitor:
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- Click on workflow monitor to see the output of mapping result (status of mapping should be succeeded)
![Picture123](https://www.s-squaresystems.com/wp-content/uploads/Picture123.png)
OUT PUT with Header File without # (Hash Tag):
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- Please find the below screenshot for the output generated by removing # file.
![Picture124](https://www.s-squaresystems.com/wp-content/uploads/Picture124.png)