Hello list, in the follow url thereis a how to join a domain as DC https://wiki.samba.org/index.php/Samba4_joining_a_domain In this url thereis a step (samba-tool drs showrepl) when i run this tool i have the follow error ERROR(<class 'samba.drs_utils.drsException'>): DRS connection to bdc. failed - drsException: DRS connection to bdc. failed: (-1073741772, 'NT_STATUS_OBJECT_NAME_NOT_FOUND') File "/usr/local/samba/lib/python2.6/site-packages/samba/netcmd/drs.py", line 42, in drsuapi_connect (ctx.drsuapi, ctx.drsuapi_handle, ctx.bind_supported_extensions) drs_utils.drsuapi_connect(ctx.server, ctx.lp, ctx.creds) File "/usr/local/samba/lib/python2.6/site-packages/samba/drs_utils.py", line 56, in drsuapi_connect raise drsException("DRS connection to %s failed: %s" % (server, e)) somebody can helpme