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Please perform following steps on primary and standby servers after changing user password on Windows.
1. Open service manager and Stop the Dbvserver service. Place new log on password from service properties dialogue box and start the service again.
2. Change WinSSHD password cache.Open the WinSSHD control panel (Start>Programs>Bitvise WinSSHD>WinSSHD Control Panel).
Choose "Settings Tab" and enter the Account name and Password for the current Windows account (the same account that will be running Dbvisit Standby). A Windows domain may also be required. WinSSHD will notify if a domain is required. Click on Set and close WinSSHD control panel.