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windows-server-security

Technical questions about security for Windows Server, including Windows authentication (Kerberos, NTLM, Schannel), Access Control List (ACL), account auditing, and the deployment and management for Active Directory Certificate Services (AD CS).
question
BrianG-8991 avatar image
BrianG-8991 asked DougTran-0738 commented

"The client certificate for the user "DOMAIN\user" is not valid, and resulted in a failed smartcard logon" after KB5005568 update.

windows-server-security

1 Vote

15Answers

8 Comments

question
Fahrid95 avatar image
Fahrid95 asked GaryReynolds commented

IP is not resolving while doing nslookup

windows-server windows-server-2016 windows-server-security windows-dhcp-dns

This question has an accepted answer. Accepted

0 Votes

3Answers

0 Comments

question
PeterFong-2740 avatar image
PeterFong-2740 asked AndrLemosCreateInfor-4711 commented

windows server 2012 Event id 4797 - An attempt was made to query the existence of a blank password for an account.

windows-active-directory windows-group-policy windows-server-security windows-server-2012

0 Votes

5Answers

1 Comment

question
MikhailFirsov-1277 avatar image
MikhailFirsov-1277 asked MikhailFirsov-1277 answered

Disabling credentials caching in WDigest

windows-server windows-server-2019 windows-server-security

This question has an accepted answer. Accepted

0 Votes

2Answers

0 Comments

question
dimago-3559 avatar image
dimago-3559 asked FanFan-MSFT commented

Windows domain account getting locked out - Can't find the real source

windows-active-directory windows-server-security

This question has an accepted answer. Accepted

0 Votes

2Answers

0 Comments

question
JustinVaughn-2196 avatar image
JustinVaughn-2196 asked PoirierChristophe-7977 answered

Not seeing any failed logons in event viewer

windows-active-directory windows-10-security windows-server-security

0 Votes

7Answers

0 Comments

question
JanusBarinan-8508 avatar image
JanusBarinan-8508 asked DaisyZhou-MSFT commented

upgrade root CA to support sha2

windows-server-security

This question has an accepted answer. Accepted

0 Votes

1Answer

0 Comments

question
AnxoAlonso-4974 avatar image
AnxoAlonso-4974 asked PetrSlva-4550 edited

The RPC server is unavailable. 0x800706ba (WIN32: 1722 RPC_S_SERVER_UNAVAILABLE)

windows-server-security

0 Votes

3Answers

0 Comments

question
bizcntradmin-7120 avatar image
bizcntradmin-7120 asked HannahXiong-MSFT commented

Remove Old CA in Active directory

windows-server-security

This question has an accepted answer. Accepted

0 Votes

2Answers

0 Comments

question
JC34209324-2760 avatar image
JC34209324-2760 asked JC34209324-2760 edited

Server 2016 Standard CertificateServicesClient-CertEnroll Errors

windows-server windows-server-2016 windows-server-security

This question has an accepted answer. Accepted

1 Vote

8Answers

0 Comments

question
Fahrid95 avatar image
Fahrid95 asked VickyWang-MFST answered

SMB Signing not required vulnerability

windows-server windows-server-2016 windows-server-security

This question has an accepted answer. Accepted

0 Votes

2Answers

0 Comments

question
PrzemyslawWawrzyczny-8008 avatar image
PrzemyslawWawrzyczny-8008 asked DaisyZhou-MSFT commented

Unable to sign CSR with Microsoft Windows CA

windows-active-directory windows-server-2016 windows-server-security windows-dhcp-dns

This question has an accepted answer. Accepted

0 Votes

1Answer

3 Comments

question
DaisyZhou-MSFT avatar image
DaisyZhou-MSFT asked FanFan-MSFT answered

NDES Certificate expired. How do I renew it?

windows-server-security

This question has an accepted answer. Accepted

0 Votes

1Answer

0 Comments

question
ChuckColeman-7418 avatar image
ChuckColeman-7418 asked HeinzTempl-7083 published

Anywhere Access certificate will expire soon - I can't renew it.

windows-server-security

This question has an accepted answer. Accepted

0 Votes

15Answers

2 Comments

question
RichMarder-1896 avatar image
RichMarder-1896 asked FanFan-MSFT commented

AD CS: Deploying Cross-forest Certificate Enrollment

windows-server windows-active-directory windows-server-security

0 Votes

1Answer

0 Comments

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