server 2003 r2 terminal server issues logging into profiles via terminal services

Hello Experts, we are having issues with server2003R2 terminal server, users cannot log into the profiles, the following errors are in the event log:

Seems like issues with registry size

Event Type:      Error
Event Source:      Userenv
Event Category:      None
Event ID:      1500
Date:            5/13/2015
Time:            2:10:57 PM
User:            MODA\Veronicabeard3
Computer:      TSERVER2
Description:
Windows cannot log you on because your profile cannot be loaded. Check that you are connected to the network, or that your network is functioning correctly. If this problem persists, contact your network administrator.

 DETAIL - Insufficient system resources exist to complete the requested service.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

AND

Event Type:      Error
Event Source:      Application Popup
Event Category:      None
Event ID:      333
Date:            5/13/2015
Time:            2:13:51 PM
User:            N/A
Computer:      TSERVER2
Description:
An I/O operation initiated by the Registry failed unrecoverably. The Registry could not read in, or write out, or flush, one of the files that contain the system's image of the Registry.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 00 00 00 00 01 00 6c 00   ......l.
0008: 00 00 00 00 4d 01 00 c0   ....M..À
0010: 00 00 00 00 4d 01 00 c0   ....M..À
0018: 00 00 00 00 00 00 00 00   ........
0020: 00 00 00 00 00 00 00 00   ........
EddieITAsked:
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Hypercat (Deb)Commented:
This is a rather common problem with Windows 2003 terminal server.  Try the user profile cleanup utility:

https://support2.microsoft.com/default.aspx?scid=kb;en-us;837115
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EddieITAuthor Commented:
I downloaded the fix, but cannot execute it as we are receiving the following error:

Windows cannot access the specified device, path or file. You may not have appropriate permissions to access the item
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Hypercat (Deb)Commented:
You have to be logged on with local administrator permissions in order to install it.
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Windows Server 2003

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