SDM error Password cannot be retrieved from Secure Store
I am reseting my SDM password in solution manager 7.1 on windows. When i am executing stopserver.bat from SDM/program directory getting below error:
Starting SDM - Software Deployment Manager...
Password cannot be retrieved from Secure Store. Execute command "changeauthenticationprotocol".
Password cannot be retrieved from Repository.
Processing error. Return code: 204
Please suggest how can i reset my SDM password?