Hi,
The error code 0x87d00607 means that the content is not found by SCCM/client and the reason for that can be numerous like improper configuration of boundaries or boundary groups, pre-staged content, blockage from the firewall, etc.
To narrow down the problem, we can follow below options:
1, Make sure boundary groups are enabled in the properties of the Distribution Point and check if the IPs (make sure no IP address is typed wrongly) of the client machine are included in the boundary group.
2, Check the required port to the firewall of your client machine and check if your MPs are working well.
3, Also check if the SCCM client agent is the latest version
4, Check appenforce.log in the client.
Here are reference links:
Fix: SCCM Application Installation Error 0x87D00607
FIX: SCCM Application Installation Failed 0x87D00607
Please Note: Since the website is not hosted by Microsoft, just for your reference.
Best regards,
Simon
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