Hi There,
 I have just inherited a new client that has major issues with the exchange 2010 server. The Exchange management cosole is unable to connect to the backend and niether is the exchange powershell console.
Powershell error Below:
VERBOSE: Connecting to MEGATRON.easy.co.nz
[megatron.easy.co.nz] Connecting to remote server
cess the request. It cannot determine the content
type is absent or invalid. For more information,
    + CategoryInfo          : OpenError: (System.
   eption
    + FullyQualifiedErrorId : PSSessionOpenFailed

The logs are full of IIS-W3SVC-WP Errors 2268 and 2274

IIS-W3SVC-WP Error 2268 :

Log Name:      Application
Source:        Microsoft-Windows-IIS-W3SVC-WP
Date:          1/09/2011 11:55:29 a.m.
Event ID:      2268
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      MEGATRON.easy.co.nz
Description:
Could not load all ISAPI filters for site 'DEFAULT WEB SITE'.  Therefore site startup aborted.

IIS-W3SVC-WP error 2274

Log Name:      Application
Source:        Microsoft-Windows-IIS-W3SVC-WP
Date:          1/09/2011 11:55:29 a.m.
Event ID:      2274
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      MEGATRON.easy.co.nz
Description:
ISAPI Filter 'C:\Program Files\Microsoft\Exchange Server\V14\ClientAccess\owa\auth\owaauth.dll' could not be loaded due to a configuration problem. The current configuration only supports loading images built for a x86 processor architecture. The data field contains the error number. To learn more about this issue, including how to troubleshooting this kind of processor architecture mismatch error, see http://go.microsoft.com/fwlink/?LinkId=29349.

I have included the exchnage error image.
Any help will be greatly appreciated.