Hi Tanmeya,
Please check and implement the note 1515926 - Update #1 to Security Note 1414256 in all the managed system.
Check the note -1568362 - TMSADM password change (in Should the system landscape be large then we can automate the process) and 1414256 - Changing TMSADM password is too complex.
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The program can terminate with three failed logon attempts or other serious problems.
For SAP systems with a status lower than SAP NetWeaver 7.30 the program generates the destinations for the user TMSADM as described in SAP Note 761637. For SAP systems as of level SAP NetWeaver 7.30 the system stores the password of the user TMSADM in the secure storage for the TMS application and does not use the procedure described in SAP Note 761637."
Changing the Password of User TMSADM - Change and Transport System - SAP Library
Rg,
Karthik