# Bug in Flow Studio 6.14.11.18 regarding AD Sync?

**URL:** https://forum.novacura.com/t/bug-in-flow-studio-6-14-11-18-regarding-ad-sync/373
**Category:** Flow Classic
**Tags:** studio-or-server
**Created:** [January 11, 2023, 8:38am UTC](https://forum.novacura.com/t/bug-in-flow-studio-6-14-11-18-regarding-ad-sync/373 "2023-01-11T08:38:22Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![aapotammisto](https://avatars.discourse-cdn.com/v4/letter/a/7C9FD7/32.png) [@aapotammisto](https://forum.novacura.com/u/aapotammisto)
#### Post date: [January 11, 2023, 8:38am UTC](https://forum.novacura.com/t/bug-in-flow-studio-6-14-11-18-regarding-ad-sync/373/1 "2023-01-11T08:38:22Z")

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Hi, since last update of Flow Studio, I’m no longer able to access Active Directory Sync (Azure AD). I’m getting error “Specified cast is not valid”. This works fine with Flow Studio 6.14.10.8  
 ![image](https://europe1.discourse-cdn.com/flex013/uploads/novacuratalk/original/1X/1fa5a9163fabf28888bae3208e87aaad8c90d8ff.png)

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### Author: ![OlaCarlander](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.novacura.com/olacarlander/32/205_2.png) [@OlaCarlander](https://forum.novacura.com/u/OlaCarlander)
#### Post date: [January 12, 2023, 5:52pm UTC](https://forum.novacura.com/t/bug-in-flow-studio-6-14-11-18-regarding-ad-sync/373/2 "2023-01-12T17:52:34Z")

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Hi, this sounds like a bug. Did you report a ticket in our Jira for this already?

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### Author: ![aapotammisto](https://avatars.discourse-cdn.com/v4/letter/a/7C9FD7/32.png) [@aapotammisto](https://forum.novacura.com/u/aapotammisto)
#### Post date: [January 12, 2023, 6:41pm UTC](https://forum.novacura.com/t/bug-in-flow-studio-6-14-11-18-regarding-ad-sync/373/3 "2023-01-12T18:41:59Z")

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No, I didn’t.  
But I informed my local Novacura representative and they agreed it’s a bug. They promised to file a bug report.