Monday, 5 May 2014

Unapproved machines throw Errors on SMS_MP_CONTROL_MANAGER

ISSUE DESCRIPTION:

We had an issue where unapproved SCCM clients threw errors on SMS_MP_CONTROL_MANAGER as “MP has rejected a policy request from GUID:XXXXXXXXXXXXXXXXXXXX because it was not approved. The operating system reported error 2147942405: Access is denied.”
The environment running on System Center Configuration Manager 2007 R2 in mixed mode and client approval setting as following 













Possible Solutions

To make the client get approved by any means
Solutions suggested by colleagues: Client repairs, Client reinstall or manually approve clients


Initial Analysis:

1.        Checked MP-IIS logs for one of the machine which threw these errors on with IP address
2014-03-28 00:03:41 W3SVC 1 00.00.00.00 GET /SMS_MP/.sms_pol GHJREEVJ JHGE 80 - 1 00.00.00.00  SMS+CCM 200 0 0
2014-03-28 00:03:41 W3SVC 1 00.00.00.00 GET /SMS_MP/.sms_pol GHJREEVJ JHGE 80 - 1 00.00.00.00  SMS+CCM 200 0 0
2014-03-28 00:03:41 W3SVC 1 00.00.00.00 GET /SMS_MP/.sms_pol GHJREEVJ JHGE 80 - 1 00.00.00.00  SMS+CCM 200 0 0
2.       Checked  MP_registrationmanger.log   
This showed lots of instances “Certificate issued to 'SMS' has expired”  on MP_RegistrationManager though it wasn’t for the above machine GUID.
Certificate issued to 'SMS' has expired.        MP_RegistrationManager        28/03/2014 07:13:16        25900 (0x652C)
MP Reg: Registration request body is invalid.        MP_RegistrationManager        28/03/2014 07:13:16        25900 (0x652C)
MP Reg: Registration failed.        MP_RegistrationManager        28/03/2014 07:13:16        25900 (0x652C)
MP Reg: Message Body : <ClientRegistrationRequest><Data RequestType="Registration" TimeStamp="2014-03-28T07:23:16Z" SMSID="GUID: GHJREEVJ JHGE -108C1AEE374D"><AgentInformation AgentType="0" AgentVersion="4.00.6487.2000"/><Certificates>
Certificate issued to 'SMS' has expired.        MP_RegistrationManager        28/03/2014 07:23:16        40144 (0x9CD0)
MP Reg: Registration request body is invalid.        MP_RegistrationManager        28/03/2014 07:23:16        40144 (0x9CD0)
MP Reg: Registration failed.        MP_RegistrationManager        28/03/2014 07:23:16        40144 (0x9CD0)
3.       Checked Clientauth.log
This also showed messages like 'Message rejected due to signature verification failure.'
 CCMValidateAuthHeaders failed (0x80040213) to validate headers for client 'GUID: GHJREEVJ JHGE '.        ClientAuth        24/03/2014 06:27:42        16808 (0x41A8)
Message rejected due to signature verification failure.
ClientID: GUID: GHJREEVJ JHGE


Actions Taken:

1.        Connected to the client machine checked SMS certificate showed as not expired. But I suspected the issue with certificate.
2.       I tried deleting the certificate and re-registering the client which fixed the issue.
Hence there wasn’t need to approve the client manually. Monitored the component status SMS_MP_CONTROL_MANAGER for 2-3 hours and those messages disappeared.


References:

1.        This blog has wonderful script to work on such unapproved machines:
         CHRISTJAN'S IT MINUTES  http://itminutes.net/?p=240
2.       Technet Discussion Forum

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