Hi, I have test environment consisting of two forests (forest B trusts forest A) and MECM 2103 (in forest A) is used to deploy defender/server 2016&2019 updates. I have problem with only one server in forest B where updates are stuck at downloading 0% complete. All CM clients communicate with MP over https. What I see in logs is this:
Successfully queued event on HTTP/HTTPS failure for server 'ServerFQDN'. DataTransferService 8/4/2021 7:53:15 AM 5468 (0x155C)
Error sending DAV request. HTTP code 401, status 'Unauthorized' DataTransferService 8/4/2021 7:53:15 AM 5468 (0x155C)
GetDirectoryList_HTTP('http://ServerFQDN:80/SMS_DP_SMSPKG$/fa8d0aa1-95e1-4895-b79b-2acd4e7d5cca') failed with code 0x80070005. DataTransferService 8/4/2021 7:53:15 AM 5468 (0x155C)
DTSJob {65AADB13-3DEE-4E2E-862E-268F4A1113E9} in state 'Suspended'. DataTransferService 8/4/2021 7:53:15 AM 5884 (0x16FC)
DTSJob {7507419F-79C9-44BD-BC7F-66886B0D4576} in state 'Suspended'. DataTransferService 8/4/2021 7:53:15 AM 5468 (0x155C)
CTM job {66F15C19-9F2A-4160-9623-C99B99B742D0} suspended ContentTransferManager 8/4/2021 7:53:15 AM 5884 (0x16FC)
CTM job {9EB360A0-51F8-47AD-8022-0473A9FEE211} suspended ContentTransferManager 8/4/2021 7:53:15 AM 5468 (0x155C)

Any help would be appreciated. Thank you in advance.

