# Concurrent Access for Users in User Portal

**URL:** <https://forums.pega.com/t/concurrent-access-for-users-in-user-portal/2409>\
**Category:** User Experience\
**Tags:** insurance, 8-4-4, system-administration, user-experience, lead-system-architect, case-management\
**Created:** [March 23, 2022, 9:49am UTC](https://forums.pega.com/t/concurrent-access-for-users-in-user-portal/2409 "2022-03-23T09:49:52Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Mohan\_Kumar\_A](https://yyz2.discourse-cdn.com/pega/user_avatar/forums.pega.com/mohan_kumar_a/32/1324_2.png) [@Mohan\_Kumar\_A](https://forums.pega.com/u/Mohan_Kumar_A)\
**Post date:** [March 23, 2022, 9:49am UTC](https://forums.pega.com/t/concurrent-access-for-users-in-user-portal/2409/1 "2022-03-23T09:49:52Z")

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I have a user portal. When a user opens multiple work objects in the tabbed format, can the user be able to initiate a work on one work object and tab, then move to another work object tab to do similar tasks?

For example, the user opened W-1 in tab 1, W-2 in tab 2. In tab 1, the user clicked on a button which calls a service and it should wait for the service to return. Instead of waiting for the service to return a value, when the user tries to open tab 2, Pega is not allowing to work on it.

Is this normal behavior?

Can we overwrite it? How can we do so?

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**Author:** ![MarijeSchillern](https://yyz2.discourse-cdn.com/pega/user_avatar/forums.pega.com/marijeschillern/32/23321_2.png) [@MarijeSchillern](https://forums.pega.com/u/MarijeSchillern)\
**Post date:** [March 23, 2022, 11:50am UTC](https://forums.pega.com/t/concurrent-access-for-users-in-user-portal/2409/2 "2022-03-23T11:50:50Z")

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@mohankumar86 does this [discussion](https://collaborate.pega.com/question/parallel-processing)help?

Can you check this [post](https://collaborate.pega.com/question/how-enable-work-object-opening-multiple-tabs) ‘How to enable work object opening in multiple tabs’? Also see [Losing locks on open work objects](https://collaborate.pega.com/question/losing-locks-open-work-objects)

I think this post [Workobjects in multiple tabs](https://collaborate.pega.com/question/workobjects-multiple-tabs) answers your question regarding the UI. The issue with the REST requiring a response is discussed here [Connect rest service asynchronously.](https://collaborate.pega.com/question/connect-rest-service-asynchronously)