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Smart Cards Debugging Information

 

Applies To: Windows Vista, Windows Server 2008, Windows 7, Windows 8.1, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2012, Windows 8

This topic explains tools and services that smart card developers can use to help identify certificate issues with the smart card deployment.

Debugging and tracing smart card issues requires a variety of tools and approaches. The following sections provide guidance about tools and approaches you can use.

Certutil

For a complete description of Certutil including examples that show how to use it, see Certutil [W2012].

List certificates available on the smart card

To list certificates that are available on the smart card, type certutil –scinfo.

Note

Entering a PIN is not required for this operation. You can press ESC if you are prompted for a PIN.

Delete certificates on the smart card

Each certificate is enclosed in a container. When you delete a certificate on the smart card, you are deleting the container for the certificate.

To find the container value, type certutil –scinfo.

To delete a container, type certutil –delkey –csp "Microsoft Base Smart Card Crypto Provider" "<ContainerValue>".

Debugging and tracing using WPP

Windows software trace preprocessor (WPP) simplifies tracing the operation of the trace provider, and it provides a mechanism for the trace provider to log real-time binary messages. Logged messages can subsequently be converted to a human-readable trace of the operation of the trace provider. For more information about WPP, see Diagnostics with WPP - The NDIS blog.

Enable the trace

Using WPP, use one of the following commands to enable tracing:

  • tracelog.exe –kd –rt –start <FriendlyName> -guid #<GUID> -f .\<LogFileName>.etl –flags <flags> -ft 1

  • logman start <FriendlyName> -ets –p {<GUID>} -<Flags> -ft 1 –rt –o .\<LogFileName>.etl –mode 0x00080000

You can use the parameters in the following table.

Friendly name

GUID

Flags

scardsvr

13038e47-ffec-425d-bc69-5707708075fe

0xffff

winscard

3fce7c5f-fb3b-4bce-a9d8-55cc0ce1cf01

0xffff

basecsp

133a980d-035d-4e2d-b250-94577ad8fced

0x7

scksp

133a980d-035d-4e2d-b250-94577ad8fced

0x7

msclmd

fb36caf4-582b-4604-8841-9263574c4f2c

0x7

credprov

dba0e0e0-505a-4ab6-aa3f-22f6f743b480

0xffff

certprop

30eae751-411f-414c-988b-a8bfa8913f49

0xffff

scfilter

eed7f3c9-62ba-400e-a001-658869df9a91

0xffff

wudfusbccid

a3c09ba3-2f62-4be5-a50f-8278a646ac9d

0xffff

Examples

To enable tracing for the SCardSvr service:

  • tracelog.exe –kd –rt –start scardsvr –guid #13038e47-ffec-425d-bc69-5707708075fe –f .\scardsvr.etl –flags 0xffff –ft 1

  • logman start scardsvr –ets –p {13038e47-ffec-425d-bc69-5707708075fe} 0xffff –ft 1 –rt –o .\scardsvr.etl –mode 0x00080000

To enable tracing for scfilter.sys:

tracelog.exe –kd –rt –start scfilter –guid #eed7f3c9-62ba-400e-a001-658869df9a91 –f .\scfilter.etl –flags 0xffff –ft 1

Stop the trace

Using WPP, use one of the following commands to stop the tracing:

  • tracelog.exe –stop <FriendlyName>

  • logman –stop <FriendlyName> -ets

Examples

To stop a trace:

  • tracelog.exe -stop scardsvr

  • logman -stop scardsvr -ets

Kerberos protocol, KDC and NTLM debugging and tracing

You can use the following resources to begin troubleshooting these protocols and the KDC:

To begin tracing , you can use Tracelog. Different components use different control GUIDs as explained in the following examples. For more information, see Tracelog.

NTLM

To enable tracing for NTLM authentication, run the following at the command line:

tracelog.exe -kd -rt -start ntlm -guid #5BBB6C18-AA45-49b1-A15F-085F7ED0AA90 -f .\ntlm.etl -flags 0x15003 -ft 1

To stop tracing for NTLM authentication, run the following at the command line:

tracelog -stop ntlm

Kerberos authentication

To enable tracing for Kerberos authentication, run the following at the command line:

tracelog.exe -kd -rt -start kerb -guid #6B510852-3583-4e2d-AFFE-A67F9F223438 -f .\kerb.etl -flags 0x43 -ft 1

To stop tracing for Kerberos authentication, run the following at the command line:

tracelog.exe -stop kerb

KDC

To enable tracing for the Key Distribution Center (KDC), run the following at the command line:

tracelog.exe -kd -rt -start kdc -guid #1BBA8B19-7F31-43c0-9643-6E911F79A06B -f .\kdc.etl -flags 0x803 -ft 1

To stop tracing for the KDC, run the following at the command line:

tracelog.exe -stop kdc

To stop tracing from a remote computer, run the following at the command line: logman.exe -s <ComputerName>.

Note

The default location for logman.exe is %systemroot%system32. Use the -s option to supply a computer name.

Configure tracing with the registry

You can also configure tracing by editing the Kerberos registry values shown in the following table.

Element

Registry Key Setting

NTLM

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\MSV1_0

  • Value name: NtLmInfoLevel

  • Value type: DWORD

  • Value data: c0015003

Kerberos

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\Kerberos

  • Value name: LogToFile

  • Value type: DWORD

  • Value data: 00000001

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\Kerberos\Parameters

  • Value name: KerbDebugLevel

  • Value type: DWORD

  • Value data: c0000043

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\Kerberos\Parameters

  • Value name: LogToFile

  • Value type: DWORD

  • Value data: 00000001

KDC

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Kdc

  • Value name: KdcDebugLevel

  • Value type: DWORD

  • Value data: c0000803

If you used Tracelog, look for the following log file in your current directory: kerb.etl/kdc.etl/ntlm.etl.

Otherwise, if you used the registry key settings shown in the previous table, look for the generated trace log files in the following locations:

  • NTLM: %systemroot%\tracing\msv1_0

  • Kerberos: %systemroot%\tracing\kerberos 

  • KDC: %systemroot%\tracing\kdcsvc 

To decode event trace files, you can use Tracefmt (tracefmt.exe). Tracefmt is a command-line tool that formats and displays trace messages from an event trace log file (.etl) or a real-time trace session. Tracefmt can display the messages in the Command Prompt window or save them in a text file. It is located in the \tools\tracing subdirectory of the Windows Driver Kit (WDK). For more information, see Tracefmt.

Smart Card service

The smart card resource manager service runs in the context of a local service, and it is implemented as a shared service of the services host (svchost) process.

To check if Smart Card service is running

  1. Press CTRL+ALT+DEL, and then click Start Task Manager.

  2. In the Windows Task Manager dialog box, click the Services tab.

  3. Click the Name column to sort the list alphabetically, and then type s.

  4. In the Name column, look for SCardSvr, and then look under the Status column to see if the service is running or stopped.

To restart Smart Card service

  1. Run as administrator at the command prompt.

  2. If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Yes.

  3. At the command prompt, type net stop SCardSvr.

  4. At the command prompt, type net start SCardSvr.

You can use the following command at the command prompt to check whether the service is running: sc queryex scardsvr.

The following is example output from running this command:

SERVICE_NAME: scardsvr
    TYPE        : 20 WIN32_SHARE_PROCESS
    STATE       : 4 RUNNING
                (STOPPABLE, NOT_PAUSABLE, ACCEPTS_SHUTDOWN)
    WIN32_EXIT_CODE  : 0 (0x0)
    SERVICE_EXIT_CODE : 0 (0x0)
    CHECKPOINT     : 0x0
    WAIT_HINT     : 0x0
    PID        : 1320
    FLAGS       :
C:\>

Smart card readers

As with any device connected to a computer, Device Manager can be used to view properties and begin the debug process.

To check if smart card reader is working

  1. Navigate to Computer.

  2. Right-click Computer, and then click Properties.

  3. Under Tasks, click Device Manager.

  4. In Device Manager, expand Smart card readers, select the name of the smart card reader you want to check, and then click Properties.

    Note

    If the smart card reader is not listed in Device Manager, in the Action menu, click Scan for hardware changes.

CryptoAPI 2.0 Diagnostics

CryptoAPI 2.0 Diagnostics is a feature that is available in Windows operating systems that supports CryptoAPI 2.0. This feature can help you troubleshoot public key infrastructure (PKI) issues.

CryptoAPI 2.0 Diagnostics logs events in the Windows event log, which contain detailed information about certificate chain validation, certificate store operations, and signature verification. This information makes it easier to identify the causes of issues and reduces the time required for diagnosis.

For more information about CryptoAPI 2.0 Diagnostics, see Troubleshooting PKI Problems on Windows Vista and Troubleshooting an Enterprise PKI.

See also

Windows Smart Card Technical Reference