Problems Re-Installing Office Communications Server 2007

Ok, I know that it isn't supported on SBS (or any domain controller), but I did have Office Communications Server 2007 at least half-way working before I uninstalled in an attempt to isolate another problem.  

Now I want to reinstall. I had found an article that walked me through the uninstall process, but it didn't complete on the Web Components portion. It got to the point of writing the changes to IIS and it gave an error message of: Error 0x80004005 (Unspecified Error) occured while executing command 'C:\Windows\system32\Cscript.exe'. For more details, check log file ' . . . \Temp\LCSSetup_Commands.log'"

It then attempts to roll back the attempted uninstall and gives another error: "Failed to register DLL with perfmon (-2147024894 D:\Program Files\Microsoft Office Communications Server 2007\Web Components\Group Expansion\Ext\Bin\DlxPerf.ini)

It then finishes the uninstall.  I then try to reinstall since I couldn't find any help on these errors.  Only now, during the reinstall process - after preparing Active Directory (successful), it shows the Deploy Server as "partial". I Run it anyway, step through the process and eventually get this error message: "Invalid Database Access Account(s) Specified. Please ensure the specified database accounts are valid domain or machine accounts".  I only have the option to cancel or retry, so I cancel.  I look in the logs and read: "10/31/20081:26:50 AM

CScript.exe //U //Nologo PoolCfgDBSetup.wsf /clean /dbsize:32 /dbpath:"D:\LC Data\" /logsize:32 /logpath:"D:\LC Log\" /lcsvcgroup:"DOMAIN\RTC Server Local Group;DOMAIN\RTC Component Local Group" /srvadmingrp:"DOMAIN\RTC Local Administrators" /usradmingrp:"DOMAIN\RTC Local User Administrators;DOMAIN\RTC Local Read-only Administrators" /serverrole:"HS" /verbose

--------------------------------------------------------------------------------------------

Connecting to SQL Server on SERVERNAME\rtc
SQL validation: Reconfigure encountered no errors, and SQL version is acceptable: 9.00.3068.00
Opened database rtcconfig
Restricting access and dropping database.
Dropped database rtcconfig
Creating database rtcconfig
    DbFile : PhysicalName = d:\lc data\rtcconfig.mdf
    LogFile: PhysicalName = d:\lc log\rtcconfig.ldf
Executing batch dbcommon.sql on rtcconfig
Executing batch PoolCfgTypes.sql on rtcconfig
Executing batch PoolCfgTableSchema.sql on rtcconfig
Executing batch PoolCfgMessages.sql on rtcconfig
Executing batch PoolCfgSproc.sql on rtcconfig
Executing batch PoolCfgInstances.sql on rtcconfig
Executing resource DbReIndex on rtcconfig
Setting security in rtcconfig
Looking up accounts DOMAIN\RTC Local Administrators

That's it. I'm seemingly stuck. I can't uninstall completely and I can't reinstall.  Please help.