Wednesday, June 3, 2026

While Importing unknown device getting error Unexpected error when merging and updating discovery information

Issue reported:

While importing device for build image getting error as like below screen shots.

Solutions:

This error reports when user is trying import device to the console. to fix issue follow below steps.

Step 1: Find GUID or MAC ID and delete from console. below is WMI query will help to create query and it will prompt mac id as like below screen shoot enter MAC and validate whether device is already in SCCM Record if yes then delete.

WMI QUERY for prompt MACAddresses.

select distinct SMS_R_System.Name, SMS_R_System.MACAddresses from SMS_R_System where SMS_R_System.MACAddresses = ##PRM:SMS_R_System.MACAddresses## order by SMS_R_System.MACAddresses

After executing query below screen will appears.

Step 2: Once confirm device status in SCCM record. if device available in console delete. you want to verify with other aspect as Open sql studio and execute below query.

select * from vSMS_R_System where SMS_Unique_Identifier0 like GUID:54A44B40E-BC7C-4D0E-B9F6-B3E3EF44969A.

Note: GUID: Will be change according on reported error.

Step 3: If still you are able to see the reported error GUID You can delete by running below query.

delete from vSMS_R_System where SMS_Unique_Identifier0 like GUID:54A44B40E-BC7C-4D0E-B9F6-B3E3EF44969A you will see 1 row affected.

Step 4: After doing above step try to import device and it will work as normal.

Happy Learning!!!

Thanks & Regards,
Haresh Hirani
Email: [email protected]
Follow me: Twitter @hirravi1
linkedin: https://www.linkedin.com/in/hiraniconfigmgr

Author

  • Hi, I’m Haresh Hirani the mind behind Hiraniconfigmgr.com. I’m a seasoned IT professional with deep expertise in Microsoft technologies, especially in Configuration Manager (ConfigMgr/SCCM). Over the years, I’ve expanded my skill set to cover a broader range of modern device management platforms like Microsoft Intune, Jamf Pro, ManageEngine Endpoint Central, and VMware AirWatch (Workspace ONE UEM), I use this blog to document real-world, tested, working fixes and walkthroughs from my daily technical experiences. The 💡idea is simple: if it helped me, it might help someone like you. My goal is to create a living repository of practical IT solutions for the community. If you find something useful, or if you want to collaborate, feel free to connect with me on LinkedIn or drop a message through the Contact page. Happy to help.

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