All of a sudden this weekend none of our vmware backups will even start.

Tsm server 6.3.4 on RHEL 6.7
Tdp for vmware 6.4
Session transcript  follows:

[ root@tsmdm07 ~]# dsmc -asnode=dc_bsu_rb
IBM Tivoli Storage Manager
Command Line Backup-Archive Client Interface
  Client Version 6, Release 4, Level 2.0

Node Name: TSMDM07
Session established with server TSM02: Linux/x86_64
  Server Version 6, Release 3, Level 4.0

Accessing as node: DC_BSU_RB
tsm> ba vm javadeploytest
ANS9365E VMware vStorage API error for virtual machine 'javadeploytest'.
  TSM function name : __ns2__Login
  TSM file     : vmvisdk.cpp (1737)
  API return code  : 12
  API error message : SOAP 1.1 fault: "":ServerFaultCode[no subcode]
" Cannot complete login due to an incorrect user name or password."
Detail:

ANS4152E Failure initializing VMware virtual machine environment. RC=115. Refer 
to client dsmerror.log for detailed error messages.

tsm>


which node's password is giving the trouble?