Hi Jennifer,
I can absolutely look into this as well. From the last traces, it seemed like
the Server 2025 was looking for SHA-2 encryptions, maybe we need to see if it's
looking for PAChecksum2 as well. Can you please follow these [same]
instructions to upload a new lsass trace to this new secure share link below?
Lsass Tracing
1. Download and run the TTD.appinstaller from our website using the
following link. Note: An End-User License Agreement (EULA) will appear in a
command window that you will need to approve.
a. Link: https://aka.ms/ttd/download
2. We need to run lsass.exe as a non-protected process and disable Shadow
Stacks so that we can run the trace. Run the following commands in an
administrator-elevated PowerShell instance, then restart the machine. Warning:
This should not be done on a machine exposed to the Internet.
a. Set-ItemProperty -Path
"HKLM:\SYSTEM\CurrentControlSet\Control\Lsa" -Name "RunAsPPL" -Value 0
b. reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session
Manager\Kernel" /v "UserShadowStacksForceDisabled" /t REG_DWORD /d 1 /f
3. When ready to repro the issue, run the following commands to create a
destination folder and begin the trace. Run the following commands in an
elevated PowerShell instance.
a. mkdir C:\Traces_$(Get-Date -format "dd-MMM-yyyy")
b. TTD -Attach ([int](Get-Process -NAME lsass | Format-Wide
-Property ID).formatEntryInfo.formatPropertyField.propertyValue) -out
C:\Traces_$(Get-Date -format "dd-MMM-yyyy")\lsass.run
c. When the small window pops up, the trace has begun and you can
now reproduce the issue. To end the trace, simply click “Tracing Off”.
4. Once the trace operation is complete, we need to compress the .run file
created by TTD for easy transfer. Run the following command in an elevated
PowerShell instance.
a. Compress-Archive -Path C:\Traces_$(Get-Date -format
"dd-MMM-yyyy")\ -DestinationPath C:\Traces_$(Get-Date -format "dd-MMM-yyyy").zip
b. Note: If this fails, you may need to restart the traced process
to unlock the trace for compression. Using the following command, Lsass will
restart automatically.
1. stop-process -name lsass -force
5. Now we must undo the security changes made prior to taking the trace.
Run the following commands in an elevated PowerShell instance, then restart the
machine. After reboot, you are safe to reconnect the computer to the Internet.
a. Set-ItemProperty -Path
"HKLM:\SYSTEM\CurrentControlSet\Control\Lsa" -Name "RunAsPPL" -Value 1
b. reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session
Manager\Kernel" /v "UserShadowStacksForceDisabled" /t REG_DWORD /d 0 /f
6. Upload C:\Traces_dd-MMM-yyyy.zip to the secure file share link below
a. Link:
https://support.microsoft.com/files?workspace=eyJhbGciOiJSUzI1NiIsImtpZCI6IjJBNzk1QUQxMDNDQTM4OEZENEQzREQxQTZERkU4QTE2RDkyMkNDQkMiLCJ0eXAiOiJKV1QifQ.eyJ3c2lkIjoiNTNlOWVjNDEtYmI5ZC00Y2UzLWJjMzMtM2ZmODkwMDZkOWRmIiwic3IiOiIyNTA5MTIwMDQwMDA4MTY0Iiwic3YiOiJ2MSIsInJzIjoiRXh0ZXJuYWwiLCJ3dGlkIjoiZmUyNjdhMWQtOWE1Zi00MmIwLWI1MGYtNmUxY2JmOWYyZGIxIiwiYXBwaWQiOiI0ZTc2ODkxZC04NDUwLTRlNWUtYmUzOC1lYTNiZDZlZjIxZTUiLCJuYmYiOjE3NTgxNTQ3NjAsImV4cCI6MTc2NTkzMDc2MCwiaWF0IjoxNzU4MTU0NzYwLCJpc3MiOiJodHRwczovL2FwaS5kdG1uZWJ1bGEubWljcm9zb2Z0LmNvbSIsImF1ZCI6Imh0dHA6Ly9zbWMifQ.Ad9E8Z3TJDY4k_yuZ7rp5xBlQaae1ZsyJkQTxuiCbSwo2AL7stTcqSqqCD7BSHMWSSSJHblzMtHfKJ6PGFUgHUJLsYGBQ8kPuo9aXJbNMoa2VqbfhQKrUZxxwL8UV1MsDG8PQ-WykR9SOK3a1UxbSFpRFBlbUv9Nx--Bvf-p7FrC2PjCujEp9KuN5UayfN8lIMEyQq2u9yyTXt30JbpGhGJz8ysVQA4tkWF--9TDDLyGaWWXSkNaTtTOwWKjM_UMlw_EpmrqNtpBuoMLr66UXR0iMJStnTLqy8cuHG6IeDyUo3VD7hxrTHjoO_qxmsQj7a9Z3VP2tGq1rWKVXCtc7w&wid=53e9ec41-bb9d-4ce3-bc33-3ff89006d9df
Thank you!
Regards,
Kristian Smith
Support Escalation Engineer | Microsoft® Corporation
Email: kristian.sm...@microsoft.com
-----Original Message-----
From: Jennifer Sutton <jsut...@samba.org>
Sent: Thursday, September 11, 2025 7:04 PM
To: Kristian Smith <kristian.sm...@microsoft.com>
Cc: Microsoft Support <supportm...@microsoft.com>; cifs-protocol@lists.samba.org
Subject: Re: [EXTERNAL] [MS-KILE] PK‐INIT and
KDC_ERR_DIGEST_IN_SIGNED_DATA_NOT_ACCEPTED - TrackingID#2508220040003919
Hi Kristian,
Apologies for the delayed reply. I followed your advice and made sure that the
SignedData digest algorithm was sha1NoSign, but the response I get from Windows
is the error code KDC_ERR_GENERIC. I would appreciate any help as to why
Windows is refusing my requests.
Cheers,
Jennifer (she/her)
On 9/09/25 3:49 am, Kristian Smith wrote:
> Hi Jennifer,
>
> I'm reaching out to see if you had any additional questions regarding this
> error you received. You likely saw that Julien provided some valuable
> information on August 28th. The following document section discusses the
> inclusion of PAChecksum2 along with the expected OID's discussed in my prior
> email.
>
> ----------------------------------------------------------------------
> ----------------------
> MS-PKCA 2.2.3 PA-PK-AS-REQ
>
> PKAuthenticator in [RFC4556] is extended to add the following
> PAChecksum2. If SHA-1 is disabled as a checksum algorithm PAChecksum2
> SHOULD be present; if this field is present, it will always be
> validated even if it is SHA-1.<11>
> ----------------------------------------------------------------------
> ---------------------- <11> Section 2.2.3: The extension of
> PKAuthenticator in PA-PK-AS-REQ applies to Windows Server 2022, 23H2
> operating system.and later versions. Windows Server 2022, 23H2 and
> later DCs will send back TD-CMS-DIGEST-ALGORITHMS-DATA as described in
> [RFC8636] section 4, CMS Digest Algorithm Agility.
> On supported versions of Windows, PAChecksum2 is validated if any one
> of the following conditions is
> true:
> 1. The field is present
> 2. If an EC algorithm is not allowed and the signedAuthPack
> algorithm is not SHA-1
> 3. SHA-1 is disabled
> ----------------------------------------------------------------------
> ---------------------
>
> Please let me know if you still have any blocking issues or concerns with
> accuracy of the open specs. If I don't hear back from you by Wednesday, I'll
> assume that you were able to resolve the issue and I'll archive the case.
>
> Regards,
> Kristian Smith
> Support Escalation Engineer | Microsoft® Corporation
> Email: kristian.sm...@microsoft.com
>
>
> -----Original Message-----
> From: Kristian Smith
> Sent: Sunday, August 31, 2025 7:15 AM
> To: 'Jennifer Sutton' <jsut...@samba.org>
> Cc: Microsoft Support <supportm...@microsoft.com>;
> 'cifs-protocol@lists.samba.org' <cifs-protocol@lists.samba.org>
> Subject: RE: [EXTERNAL] [MS-KILE] PK‐INIT and
> KDC_ERR_DIGEST_IN_SIGNED_DATA_NOT_ACCEPTED -
> TrackingID#2508220040003919
>
> Hi Jennifer,
>
> I inspected the trace you sent. It appears that when Windows Server 2025
> receives the AS ticket, it's expecting one of the following algorithm
> identifiers:
>
> sha512NoSign 2.16.840.1.101.3.4.2.3
> sha384NoSign 2.16.840.1.101.3.4.2.2
> sha256NoSign 2.16.840.1.101.3.4.2.1
> sha1NoSign 1.3.14.3.2.26
>
> but it received:
> sha1RSA 1.2.840.113549.1.1.5
>
> If you change the algorithm ID to 1.3.14.3.2.26, I believe it should work.
> Please let me know if you have additional questions or concerns.
>
> Regards,
> Kristian Smith
> Support Escalation Engineer | Microsoft® Corporation
> Email: kristian.sm...@microsoft.com
>
> -----Original Message-----
> From: Kristian Smith
> Sent: Wednesday, August 27, 2025 3:45 PM
> To: Jennifer Sutton <jsut...@samba.org>
> Cc: Microsoft Support <supportm...@microsoft.com>;
> cifs-protocol@lists.samba.org
> Subject: RE: [EXTERNAL] [MS-KILE] PK‐INIT and
> KDC_ERR_DIGEST_IN_SIGNED_DATA_NOT_ACCEPTED -
> TrackingID#2508220040003919
>
> Hi Jennifer,
>
> Thanks for uploading the trace. I wanted to let you know that I'll be out of
> the office until the 2nd of September, so I'll inspect it when I return. If
> this is an urgently blocking issue, or you have other questions, please reach
> out to doch...@microsoft.com during my absence.
>
> Thanks for your patience.
>
> Regards,
> Kristian Smith
> Support Escalation Engineer | Microsoft® Corporation
> Email: kristian.sm...@microsoft.com
>
> -----Original Message-----
> From: Jennifer Sutton <jsut...@samba.org>
> Sent: Tuesday, August 26, 2025 7:31 PM
> To: Kristian Smith <kristian.sm...@microsoft.com>
> Cc: Microsoft Support <supportm...@microsoft.com>;
> cifs-protocol@lists.samba.org
> Subject: Re: [EXTERNAL] [MS-KILE] PK‐INIT and
> KDC_ERR_DIGEST_IN_SIGNED_DATA_NOT_ACCEPTED -
> TrackingID#2508220040003919
>
> Hi Kristian,
>
> I’ve captured traces and uploaded them to the secure file share.
>
> Cheers,
> Jennifer (she/her)
>
> On 27/08/25 5:17 am, Kristian Smith wrote:
>> Hi Jennifer,
>>
>> Thanks for giving that a try. Here are the instructions for gathering and
>> uploading an Lsass trace:
>>
>> Lsass Tracing
>> 1. Download and run the TTD.appinstaller from our website using the
>> following link. Note: An End-User License Agreement (EULA) will appear in a
>> command window that you will need to approve.
>> a. Link: https://aka.ms/ttd/download
>> 2. We need to run lsass.exe as a non-protected process and disable Shadow
>> Stacks so that we can run the trace. Run the following commands in an
>> administrator-elevated PowerShell instance, then restart the machine.
>> Warning: This should not be done on a machine exposed to the Internet.
>> a. Set-ItemProperty -Path
>> "HKLM:\SYSTEM\CurrentControlSet\Control\Lsa" -Name "RunAsPPL" -Value 0
>> b. reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session
>> Manager\Kernel" /v "UserShadowStacksForceDisabled" /t REG_DWORD /d 1 /f
>> 3. When ready to repro the issue, run the following commands to create a
>> destination folder and begin the trace. Run the following commands in an
>> elevated PowerShell instance.
>> a. mkdir C:\Traces_$(Get-Date -format "dd-MMM-yyyy")
>> b. TTD -Attach ([int](Get-Process -NAME lsass | Format-Wide
>> -Property ID).formatEntryInfo.formatPropertyField.propertyValue) -out
>> C:\Traces_$(Get-Date -format "dd-MMM-yyyy")\lsass.run
>> c. When the small window pops up, the trace has begun and you
>> can now reproduce the issue. To end the trace, simply click “Tracing Off”.
>> 4. Once the trace operation is complete, we need to compress the .run
>> file created by TTD for easy transfer. Run the following command in an
>> elevated PowerShell instance.
>> a. Compress-Archive -Path C:\Traces_$(Get-Date -format
>> "dd-MMM-yyyy")\ -DestinationPath C:\Traces_$(Get-Date -format
>> "dd-MMM-yyyy").zip
>> b. Note: If this fails, you may need to restart the traced
>> process to unlock the trace for compression. Using the following command,
>> Lsass will restart automatically.
>> 1. stop-process -name lsass -force
>> 5. Now we must undo the security changes made prior to taking the trace.
>> Run the following commands in an elevated PowerShell instance, then restart
>> the machine. After reboot, you are safe to reconnect the computer to the
>> Internet.
>> a. Set-ItemProperty -Path
>> "HKLM:\SYSTEM\CurrentControlSet\Control\Lsa" -Name "RunAsPPL" -Value 1
>> b. reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session
>> Manager\Kernel" /v "UserShadowStacksForceDisabled" /t REG_DWORD /d 0 /f
>> 6. Upload C:\Traces_dd-MMM-yyyy.zip to the secure file share link below
>> a. Link:
>> https://support.microsoft.com/files?workspace=eyJhbGciOiJSUzI1NiIsImtpZCI6IjUwNjQwRTE0NEREODg5MzE5NzYzRTBFNjM5RjMzNjdFQUNDNzlBRDAiLCJ0eXAiOiJKV1QifQ.eyJ3c2lkIjoiOGQ5OTI3ZGUtNGJhYi00ZGEzLWI0NDgtNWNlNjUyZTdkMGNkIiwic3IiOiIyNTA4MjIwMDQwMDAzOTE5Iiwic3YiOiJ2MSIsInJzIjoiRXh0ZXJuYWwiLCJ3dGlkIjoiZjc0NmQyNWQtZmY3MS00MjU1LWEyMmUtY2Y4MmE4Y2RmNDJiIiwiYXBwaWQiOiI0ZTc2ODkxZC04NDUwLTRlNWUtYmUzOC1lYTNiZDZlZjIxZTUiLCJuYmYiOjE3NTYyMjgxMzUsImV4cCI6MTc2NDAwNDEzNCwiaWF0IjoxNzU2MjI4MTM1LCJpc3MiOiJodHRwczovL2FwaS5kdG1uZWJ1bGEubWljcm9zb2Z0LmNvbSIsImF1ZCI6Imh0dHA6Ly9zbWMifQ.A3gXawCQqeLZ7evd_LpSmkexJY53FfxDjTlKHYk8A7Kan-vQwCGg6UA4KWFXqFx_QNMrX3JtdLVmboAFp_dZiGJ0l0YhVPYGqqyg4Ojb1l115bmPeF0DUaUoHabHnseTMi2opBWtKMsFg4VhLRbuo0aAi0gAP8aT6Rf8XO8KY54B1j5cKuFj98o32y9YGvB9EUUxW3F7JYNWtWtDNoFD_GCg83k41lNqX_23XtmpV_nec74qPa4zZWxxkvnt0j0B9sqX4ImqAIahaN_T8m68LIjijR8i_c4Oc5hcUVf7WVpkiGrzGHy7nMxoW0ZGIPrjPrsbAiRFZvyMjan2GXUwVQ&wid=8d9927de-4bab-4da3-b448-5ce652e7d0cd
>>
>> Please let me know if you have any questions or issues with the process
>> outlined above. Thanks for your time.
>>
>> Regards,
>> Kristian Smith
>> Support Escalation Engineer | Microsoft® Corporation
>> Email: kristian.sm...@microsoft.com
>>
>> -----Original Message-----
>> From: Jennifer Sutton <jsut...@samba.org>
>> Sent: Sunday, August 24, 2025 4:34 PM
>> To: Kristian Smith <kristian.sm...@microsoft.com>
>> Cc: Microsoft Support <supportm...@microsoft.com>;
>> cifs-protocol@lists.samba.org
>> Subject: Re: [EXTERNAL] [MS-KILE] PK‐INIT and
>> KDC_ERR_DIGEST_IN_SIGNED_DATA_NOT_ACCEPTED -
>> TrackingID#2508220040003919
>>
>> Hi Kristian,
>>
>> I enabled the two group policies and set all of the algorithms to
>> ‘supported’, but I still get the same
>> KDC_ERR_DIGEST_IN_SIGNED_DATA_NOT_ACCEPTED error code.
>>
>> Cheers,
>> Jennifer (she/her)
>>
>> On 23/08/25 4:44 am, Kristian Smith wrote:
>>> [Jeff to Bcc]
>>>
>>> Hi Jennifer,
>>>
>>> From the code, the most likely reason you’re seeing this error is
>>> because Server 2025 is rejecting the chosen hashing algorithm.
>>> Please visit the following link to see the security baseline updates
>>> for Server
>>> 2025:
>>>
>>> Windows Server 2025, security baseline | Microsoft Community Hub
>>> <https://te/
>>> c%2F&data=05%7C02%7Ckristian.smith%40microsoft.com%7C8c5bb4bbfce0477
>>> 9
>>> 6e7a08dde511cb6a%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C638918
>>> 5
>>> 86803864335%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIw
>>> L
>>> jAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7
>>> C
>>> %7C&sdata=XOwQuM8Ii8dKdKAbmB2OH%2BUogzTPXd9a1Ay2R57WZHI%3D&reserved=
>>> 0
>>> hcommunity.microsoft.com%2Fblog%2Fmicrosoft-security-baselines%2F&da
>>> t
>>> a
>>> =05%7C02%7Ckristian.smith%40microsoft.com%7Cdffe00b00b7d45ba347d08dd
>>> e
>>> 3
>>> 66c665%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C6389167527651236
>>> 5
>>> 1
>>> %7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCI
>>> s
>>> I
>>> lAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=J
>>> t
>>> 7
>>> TY3EL6hF%2FAiChKPpfLu27s1HQBLSCoFxay8of5HE%3D&reserved=0
>>> windows-server-2025-security-baseline/4358733>
>>>
>>> If you scroll down to “Configure hash algorithms for certificate
>>> logon”, you’ll see what I think is applicable to this scenario.
>>> There are 2 group policies that may help in testing:
>>>
>>> Computer Configuration->Administrative
>>> Templates->System->KDC->Configure hash algorithms for certificate
>>> logon
>>>
>>> Computer Configuration->Administrative Templates->System->Kerberos-
>>>> Configure hash algorithms for certificate logon
>>>
>>> These should allow you to explicitly allow certain hashing algorithms.
>>> If this does not work, let me know and I’ll send the instructions to
>>> gather an LSASS trace to look a bit deeper into your scenario.
>>>
>>> *Regards,*
>>>
>>> *Kristian Smith*
>>>
>>> Support Escalation Engineer | Microsoft® Corporation
>>>
>>> *Email*: kristian.sm...@microsoft.com
>>> <mailto:kristian.sm...@microsoft.com>
>>>
>>> *From:*Jeff McCashland (He/him) <je...@microsoft.com>
>>> *Sent:* Friday, August 22, 2025 6:43 AM
>>> *To:* Jennifer Sutton <jsut...@samba.org>;
>>> cifs-protocol@lists.samba.org
>>> *Cc:* Microsoft Support <supportm...@microsoft.com>
>>> *Subject:* Re: [EXTERNAL] [MS-KILE] PK‐INIT and
>>> KDC_ERR_DIGEST_IN_SIGNED_DATA_NOT_ACCEPTED -
>>> TrackingID#2508220040003919
>>>
>>> Hi Jennifer,
>>>
>>> Thank you for your question. We have created SR 2508220040003919 to
>>> track this issue. One of our engineers will respond soon to assist.
>>>
>>> Best regards,*
>>> /Jeff M/**/^c /**/Cashland (He/him) /**| Senior Escalation Engineer
>>> | Microsoft Corporation*
>>>
>>> Phone: +1 (425) 703-8300 x38300 | Hours: 9am-5pm | Time zone:
>>> (UTC-08:00) Pacific Time (US and Canada)
>>>
>>> Local country phone number found here:
>>> _http://sup/
>>> p%2F&data=05%7C02%7Ckristian.smith%40microsoft.com%7C8c5bb4bbfce0477
>>> 9
>>> 6e7a08dde511cb6a%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C638918
>>> 5
>>> 86803871849%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIw
>>> L
>>> jAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7
>>> C
>>> %7C&sdata=czHvPWTX%2BNPTRPbUWUhJafF%2FipmfgZH3BkIQj1U0CAU%3D&reserve
>>> d
>>> =0
>>> ort.microsoft.com%2F&data=05%7C02%7Ckristian.smith%40microsoft.com%7
>>> C
>>> d
>>> ffe00b00b7d45ba347d08dde366c665%7C72f988bf86f141af91ab2d7cd011db47%7
>>> C
>>> 1
>>> %7C0%7C638916752765137051%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOn
>>> R
>>> y
>>> dWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3
>>> D
>>> %
>>> 3D%7C0%7C%7C%7C&sdata=FK7r2TWrlUzjdeiPQ4rDZDAh4CPDSOCJtsl6Z28Hvrk%3D
>>> &
>>> r
>>> eserved=0 globalenglish
>>> <http://sup/
>>> p%2F&data=05%7C02%7Ckristian.smith%40microsoft.com%7C8c5bb4bbfce0477
>>> 9
>>> 6e7a08dde511cb6a%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C638918
>>> 5
>>> 86803879285%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIw
>>> L
>>> jAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7
>>> C
>>> %7C&sdata=NYTsg5I7H%2BjZlAS6cXLBLrAwRSFQVcj3osz6Loc1yY4%3D&reserved=
>>> 0
>>> ort.microsoft.com%2Fglobalenglish&data=05%7C02%7Ckristian.smith%40mi
>>> c
>>> r
>>> osoft.com%7Cdffe00b00b7d45ba347d08dde366c665%7C72f988bf86f141af91ab2
>>> d
>>> 7
>>> cd011db47%7C1%7C0%7C638916752765146291%7CUnknown%7CTWFpbGZsb3d8eyJFb
>>> X
>>> B
>>> 0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCI
>>> s
>>> I
>>> ldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=Y2BYZ16uGk6ZzUpN4oiZnIEx9n4vgrMZm
>>> l
>>> 6
>>> B26IALaM%3D&reserved=0>_ | Extension
>>> 1138300
>>>
>>> --------------------------------------------------------------------
>>> -
>>> -
>>> --
>>>
>>> *From:* Jennifer Sutton <jsut...@samba.org
>>> <mailto:jsut...@samba.org>>
>>> *Sent:* Thursday, August 21, 2025 10:10 PM
>>> *To:* cifs-protocol@lists.samba.org <mailto:cifs-
>>> proto...@lists.samba.org> <cifs-protocol@lists.samba.org
>>> <mailto:cifs- proto...@lists.samba.org>>; Interoperability
>>> Documentation Help <doch...@microsoft.com
>>> <mailto:doch...@microsoft.com>>
>>> *Subject:* [EXTERNAL] [MS-KILE] PK‐INIT and
>>> KDC_ERR_DIGEST_IN_SIGNED_DATA_NOT_ACCEPTED
>>>
>>> Hi dochelp,
>>>
>>> I’m performing tests against Windows Server 2025 and finding that
>>> PK‐INIT requests always receive the response
>>> KDC_ERR_DIGEST_IN_SIGNED_DATA_NOT_ACCEPTED. The same requests made
>>> to Windows Server 2019 succeed. Could you help me find out why I’m
>>> getting this error?
>>>
>>> Cheers,
>>> Jennifer (she/her)
>>>
>>
>
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