1.Check the logon account on services start with "Citrix" on DDC/SF/License/Director/PVS
2.Check the logon account on services start with "SQL" on SQL Server
3.Check whether the hosting admin is using this domain admin account
4.Check whether the PVS streaming/soap services are using this domain admin account
5.Check on ADC side, whether the network device authentication is using this domain admin account