Symptoms
How to change password of service account.
Diagnoses
Things that he should be noted it is need to modify K2 Service account password
Resolution
The K2 Service account credential can be changed via Blackpearl Setup Manager. Most of the existing K2 customers are sharing the K2 Service account as the app pool credentials for Workspace, designer and runtime sites as well.
Hence, there is a need to re-run the SmartForms Setup Manager to modify the app pool credentials as well.
In Summary:-
1) Run Blackpearl Reconfiguration from Setup Manager to modify the Service account credential and App Pool Credentials
2) Run Smartforms Reconfiguration from SmartForms Setup Manager to modify the App Pool Credentials for both Designer and Runtime