Hi anyweb,
I upgraded SCCM from 1610 Hotfix (KB4016483) to 1702 and the process ends with the error:
Failed upgrade ConfigMgr database.
CMUpdate.log:
INFO: Site Component Manager installation completed. CONFIGURATION_MANAGER_UPDATE 2017-05-23 16:12:39 1308 (0x051C)
INFO: SQL Connection succeeded. Connection: SMS ACCESS, Type: Secure CONFIGURATION_MANAGER_UPDATE 2017-05-23 16:12:39 1308 (0x051C)
Turned on activation for service broker queue CONFIGURATION_MANAGER_UPDATE 2017-05-23 16:12:39 1308 (0x051C) Failed to apply update changes 0x87d20b15 CONFIGURATION_MANAGER_UPDATE 2017-05-23 16:12:39 1308 (0x051C)
Waiting for changes to the "\\sccm.server\SMS_VK1\inboxes\cmupdate.box" directories, updates will be polled in 600 seconds... CONFIGURATION_MANAGER_UPDATE 2017-05-23 16:12:39 1308 (0x051C)
There are no pending update package to be processed. CONFIGURATION_MANAGER_UPDATE 2017-05-23 16:22:39 1308 (0x051C)
Maybe you can help to correct this error. Thank you