To obtain SFTP log, please do the following on the machine where the problem occurs (for example, when creation of a centralized vault fails, enable SFTP log on Acronis Management Server machine).
In Windows:
Run regedit from Start -> Run;
Open the following registry key:
HKEY_LOCAL_MACHINE\Software\Acronis\DebugLogs registry key. (If the DebugLogs key does not exist, please create it)