Presentation Server 4.5. Two separate issues

1.Installation of Hotfix Rollup 6 caused the following errors:

EventID 3609 Source: IMAService

Failed to load plugin C:\Program Files (x86)\Citrix\System32\Citrix\IMA\SubSystems\RADESessionSs.dll with error 127

EventID 3601 Source: IMAService

Failed to load initial plugins with error IMA_RESULT_FILE_NOT_FOUND

EventID 7024 Source: Service Control Manager

The Citrix Independent Management Architecture service terminated with service-specific error 2147483695 (0x8000002F).

EventID 7001 Source: Service Control Manager

The Citrix SMA Service service depends on the Citrix Independent Management Architecture service which failed to start because of the following error:
The service has returned a service-specific error code.

Fix: http://support.citrix.com/article/CTX113836&parentCategoryID=1850

2. Somehow, IMA service would fail to start

Easy fix. Run this command: dsmaint recreatelhc

For reference: http://networkadminkb.com/kb/Knowledge%20Base/Forms/DispForm.aspx?ID=207&RootFolder=*

dsmaint recreatelhc