In cryptography, a certificate authority, or certification authority, (CA) is an entity that issues digital certificates.

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Windows PKI: How can I import, sign/issue and export a large number of CSRs?

I have a lot of CSRs that I need to have signed/issued and exported in windows. I was hoping I could batch process them somehow (certutil sounds like it can do some of the work) but I'm not quite sure ...
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370 views

Can't request computer certificate

I am using MMC with the snaping of certificates. I am requesting certificates from a brand new installation of a CA. Requesting User certificates works perfectly. Requesting Computer certificates ...
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1answer
51 views

Adding OCSP and NDES into existing environment? What can be installed together?

Currently have one offline CA and one Sub Issuing CA that just has the Web Enrollment installed. Looking at also implementing NDES and OCSP. I know the web enrollment can be installed on the Issuing ...
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1answer
133 views

ADCS - How can I diagnose the exact reason a certificate request was denied by a policy module?

I need to develop operational procedures to audit and understand why a specific request was rejected by an Active Directory Certificate Services (ADCS) Policy Module. I've attempted turning on all ...
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99 views

Windows Server 2008 R2 CA not issuing more than 2 years

I have active directory environment in 2003 R2. I have installed 2008 R2 Enterprise Edition CA. Then I have created custom template from web server template and add expiry date as 15 years. my root ...
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1answer
1k views

Renewing Service Certificates for NDES on Windows Server 2008 R2

We currently use the NDES Service on Windows 2008 R2 Enterprise where the same box is also the standalone Certificate Authority. During initial setup, NDES created 2 service certificates for SCEP ...
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1answer
192 views

sendmail (Smart Host) authentication with server using certificates

We are trying to prepare a setup with following configuration: We have a Central mail server which acts as a gateway to the internet for our domain. We have some client machines which access ...
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1answer
191 views

Client side certificates in client browsers with unix server for management

We are currently running Unix dedicated servers for everything (Web cluster, database, FTP, batch, ...) except for a Microsoft Active Directory Certificate Services. The sole purpose of this Windows ...
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1answer
307 views

Linux Certification Authority signing Windows 2003 Server certificate requests

I've had some success using a Windows 2003 Server running as a Certification Authority signing certificates used in secure communications between Ubuntu Linux and Active Directory on Windows 2003 ...
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1answer
109 views

ADCS Create a new certificate or Rename?

Just joined a new company. Apparently back last year they got rid of the old CA and restored the certificate on a new server. (2003 to 2012). I was about to renew the certificate (self signed) on the ...
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1answer
284 views

Unable to install Certificate Enrolment Policy Web Service

I'm running on Windows 2k8 Enterprise edition, and when adding the Active Directory Certificate Services, I don't see the option to add the Certificate Enrolment Policy Web service in the dialog box. ...
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1answer
171 views

Windows Xp Autoenrollment Issue

i've trouble to auto enroll for Xp Clients. I setup up an two tier ca on windows 2012 and configured Autoenrollment. So far i just have been testing with Windows 7 Client and i have no issue at all. I ...
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62 views

OpenSSL not using CA directory

OpenSSL will not verify a cert $openssl s_client -connect <host>:443 ... Verify return code: 21 (unable to verify the first certificate) However, if we figure out the location of the store $ ...
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1answer
17 views

What refer/mean “Remote Server Authentication” at Apache mod_ssl doc?

The part of the doc in that such term is used is this. Can anybody give some context or explain me what mean Remote Server Authentication there? I know that Apache server can authenticate clients but ...
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1answer
783 views

Generating SAN SSL Certificate that works for firefox and chrome

I am trying to generate a SSL certificate that after being signed by my own CA will work for multiple domains. My openssl configuration file looks like this: [ req ] default_bits = 2048 ...
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5 views

Can OpenDirectory on OS X reasonably be configured to use an intermediate CA cert from an existing CA?

We're trying to set up OpenDirectory. It seems to want to create its own CA, and then an intermediate CA with a certificate signed by its own CA. I'd prefer to generate an intermediate CA certificate ...
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28 views

How to setup digital signatures on Microsoft CA (AD-CS)?

I've been trying to research across the web on how to setup a Microsoft CA (AD-CS on Windows Server 2008 R2) in order to create a certificate for digital signatures, allowing you to digitally sign ...
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114 views

How to replace Zentyal CA certificates and key with an already existing CA

The context: we're using a CA which is deployed on all our client machines, and a lot of hosts and web servers. It seems that Zentyal CA module only allows to issue a new CA using the GUI, but not to ...
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56 views

Remote Desktop Certificate Template Application Policy Extension

We are setting up remote desktop authentication with the use of certificates and ran into an issue in one of the environments. I am editing the RemoteDesktopComputer2008 certificate template, in ...
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200 views

Unable to convert JKS keystore to Oracle Wallet using orapki

I have generated jks keystore using keytool and using the jks keystore I have csr. The same csr I have sent to Signing authority. The Signing authority have given the trusted ...
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68 views

Windows - Replace subject from CSR when issuing certificate

I've received a CSR from a client with a CN, but not with all the subject fields we require. According to this answer from Scott*, it should be possible to specify the final subject values when the ...
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389 views

No Certificate Templates in Certification Authority

I have installed AD Certificate Services on a Windows Server 2012 R2 Standard edition. But when I open Certification Authority snap-in, there is no Certificate Templates folder: Why? Have I missed ...
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723 views

The OCSP server has no status for the certificate. (Error code: sec_error_ocsp_unknown_cert)

Just set up a website (Apache/Centos) with SSL where the free cert came from startssl. I've used startssl before, and never had any problems. I have no problems accessing the site from IE and ...
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74 views

Exchange on WP7 - 80072F0D

Last week, the self-signed certificate on our Exchange 2010 mailserver expired, so we made a new one. Everything works fine after this, except mail on Windows Phone 7. All phones are giving an error ...
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51 views

How to include all dns records and IP address of a server in automatic certificate enrollment of Microsoft AD CS?

In my company there are a lot of servers which users remotely login to them to do their duties. We have enabled computer certificate auto enrollment for them to assure secure connection. But because ...
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40 views

EFS file access problems

in my organization, i have a deadline to deploy EFS using AD CS, and i am working with a single windows server 2003 box, which is the Root CA, and is the same server responsible to certificate ...
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398 views

ADCS WebEnrollment : The context was acquired as silent

I have setup Active Directory Certificate Services with Web Enrollment and I have the following error when enrolling certificate on other computers that are in the same domain : Certificate ...
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104 views

override specific DN fields when signing csr

When signing CSR on CA side, how can I override specific DN fields by custom value? I want to ignore what is written in CSR. For example in C= and O= fields and replace them by something static. Other ...
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938 views

How do I set up an 802.1X infrastructure for use with OS X and iPads?

At my workplace I have been tasked with setting up machine certificate based 802.1X wireless authentication for our Apple devices. It seems like on the client side this will be handled by Profiles ...
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652 views

The revocation function was unable to check revocation for the certificate

I need to pass IIS certificate authentication on Windows Server 2012. The root cert haven't got any revocation lists but I'm getting exception: The revocation function was unable to check ...
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562 views

Sendmail Server Authentication: Certificate based: Error

I have configured my setup for a server certificate based authentication. Both Server and Client are sendmail systems and both have the same set of certificates. However when client communicated ...
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139 views

How to properly replace CA certificate when clients get it bundled in PKCS#12 containers?

I'm about to regenerate a certificate of my CA (maintained by OpenSSL) used mostly to provide OpenVPN access to the intranet for my clients. My question is related to this one — "Certification ...
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2k views

Certificate enrollment for Local system failed to enroll Event ID:13

I've just finished installing a second domain controller to gain redundancy in the network. (and to solve some issues) After installation and configuring all errors are gone but one that is: Event ...
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716 views

OpenVPN without Root-CA

Simple OpenVPN Setup with SSL Authentication. SSL-Setup: Root-CA > Intermediate-CA > Issuing-CA All certificates (vpn-server and -clients) are issued by the "Issuing-CA". I tried to use the ...
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490 views

Certreq -retrieve can't find the specified CA

I'm currently writing a Powershell script and have run into a bit of a roadblock. Basically, the script requests, approves, and retrieves new certificates from our CA using certreq.exe and ...
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437 views

Change name of Win Server 2008 computer after CA install

I am importing an old certificate database into the new CA on a new server I'm installing. I am warned by Windows that I can't change the computer name, domain settings, etc., after installing the CA. ...
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10 views

RODC fails to enroll Kerberos certificate but works with the rest

I've a read only domain controller (WS2K8R2) that fails when enrolling the Kerberos PKI Certificate template. However, the rest of the domain controllers works with that template. In fact the ...
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33 views

setup SSL with CA for multiple local sites in Apache and authenticate in a specific location (Error code: ssl_error_handshake_failure_alert) Ubuntu

i'm trying to implement SSL (HTTPs) on my local web-server to protect specified directories on Apache's websites where a user log's-in, combining SSL and HTTP Authentication Basic. I have follow ...
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58 views

How can I resolve element not found in AD CA?

I had to move our AD CA from server 2008 32bit to server 2008r2 64bit, both domain controllers too! I now know this was BAD. Is there any way to resolve the "Element not found" in AD CA? Or do I ...
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15 views

SQL Client failing SSL certificate encryption under a AD Domain

I have a client machine (web server) that is attempting to connect to a SQL server. The SQL server is 2008 and has the force encryption flag turned on. Both servers are joined to the domain. The ...
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Publishing extra AD CA CRLs for clients

I am attempting to configure Workplace Join in my Lab Environment. I have my AD CS infrastructure in place and have configured an additional CDP/CRL list with an accessible DNS name for non-domain ...
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91 views

APNS server side Entrust certificate installation process

To ensure you can continue to validate your server's connection to the Apple Push Notification service, you will need to update your push notification server with a copy of the 2048-bit root ...
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52 views

SSL warning appears only to some devices

I have godaddy ssl certificate for domain.There wasn't any problems with my SSL certificate and visiting my domain(Haven't receiveed any errors), but couple times(two weeks ago) when I visited site ...
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62 views

no local computer physical store, only registry and smartcard

I'm currently encountering an issue whereby i cannot see the "local computer" physical store, under trusted root CA, when attempting to install a cert. Instead the only stores i see are "Registry" and ...
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527 views

Can't seem to get Apache SSL client certificate authentication working with an intermediate CA

I'm restructuring my personal CA system and trying to add an intermediate CA into the mix. I have a self-signed root CA whose certificate is imported into all appropriate browsers/OSes. I seem to be ...
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113 views

Update Root CA Certificate values (Country/location(locality)/etc)

Our Offline Root CA server was setup prior to my joining the company and has com as the country code which is invalid for several things that I'm needing to do...primarily to get clients to stop ...
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53 views

Windows Server 2008 Certificate Authority setup

Help!!! Our Root CA expired on 2/28/2014 and the original server has been reloaded with an OS. I am in dire need as many of our external sites are now not working - no surprise! I have not ...
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83 views

certificate authority service wont start

I have this CA service issue which is not starting hence not issuing any new certificate to my wireless users, when ever we try to start that this comes back with the Bad Key. 0x80090003 (-2146893821) ...
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48 views

How to get/build a CA bundle file from a local OpenSSL CA

If I establish a standard OpenSSL CA directory structure and presence (such as by using "CA.sh -newca"), how do I get/build a CA bundle for it? I don't have anything that resembles something like the ...
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26 views

Local CA for remote web server

I have two domains and the one I am in has a certificate authority server. The domain I am not in doesn't have a CA server. I want to certify https on that server so that I can get there without the ...