Question

Can I Generate a UCC Certificate for Exchange 2010 using Windows 2008 CA

Asked by: indsupport

I have exchange 2010 on a Windows 2008 server and I need to create a UCC Cert for E2010

Cannot for the life of me figure it out.

Some help please!

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Asked On
2009-11-03 at 12:25:32ID24868679
Tags

Microsoft Windows Server 2008

,

Microsoft Exchange 2010

,

Certificates

Topics

Exchange Email Server

,

Windows Server 2008

Participating Experts
2
Points
500
Comments
13

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Answers

 

by: indsupportPosted on 2009-11-03 at 13:24:21ID: 25733884

I generated my request via Exchange 2010. When I go to CA to "Submit New Request", I get the following error:

Certificate Request Processor
ASN1 bad tag value met. 0x8009310b (ASN: 267)

 

by: mutahirPosted on 2009-11-03 at 13:59:06ID: 25734261

 

by: mutahirPosted on 2009-11-03 at 14:06:11ID: 25734319

 

by: indsupportPosted on 2009-11-03 at 14:12:32ID: 25734393

No, i have the text.req file generated and when I try to create a new request using CA

i get that error

 

by: mutahirPosted on 2009-11-03 at 19:04:16ID: 25736054


$Data=New-ExchangeCertificate -GenerateRequest -KeySize 2048 -SubjectName "c=SG, s=SG, l=SG, o=My Pte Ltd, ou=Exchange, cn=yourdomain.com" -DomainName yourdomain.com, cas01, cas01.yourdomain.com.local, cas02, emstapch02.yourdomain.com.local, mail.yourdomain.com, autodiscover.yourdomain.com -PrivateKeyExportable $True
Set-Content -path "C:\req.req" -Value $Data

http://www.messagingtalk.org/exchange-2010-rc-certificate-generate-import-amp-enable

http://technet.microsoft.com/en-us/library/aa998840(EXCHG.140).aspx

can you confirm that you have followed the above to generate a request ?

 

by: indsupportPosted on 2009-11-04 at 09:00:32ID: 25741392

mutahir

I just did that and now I get a new error when trying to submit a new request with Certification Authority

Certificate Request Processor

The request contains no certificate template information.
0x80094801 (-2146875391)
Denied by Policy Module 0x80094801, The request does not
contain a certificate template extension or the CertificateTemplate request attribute.


What should I do now?

 

by: ParanormasticPosted on 2009-11-04 at 09:19:22ID: 25741611

You can submit the request to the CA using the web page http://caserver/certsrv - take the first option then the second.  Open the CSR file in notepad and paste all of it in the request box.  Select your template from the drop down.  In the Attributes box enter SAN:dns="subjectnameincsr"&dns="autodiscover.domain.com"&dns="mail.domain.com"&dns="hostname"

Note that if issued from your own CA will only work for systems that trust your CA's cert.  You will also need to enable the SAN attribute on your CA first:
certutil -setreg policy\EditFlags +EDITF_ATTRIBUTESUBJECTALTNAME2
net stop certsvc
net start certsvc

If you need to use a request.inf file you can also add cert template info to the .inf file using this:
[RequestAttributes]
CertificateTemplate="TemplateName"

Note the TemplateName should be the actual name of the template, not the friendly name of it.  This does not need to be the numerical value (OID) of the template as is the case for some other CA functions like filtering queries.

It may be easier and more effective to spend the 70-80 bucks or whatever from godaddy and get a UC cert from them, then the root is already trusted by almost everyone, including folks that access owa from home.

 

by: indsupportPosted on 2009-11-04 at 09:42:30ID: 25741824

Paranormastic

I just need this for Exchange 2010 so I can use outlook anywhere. Nothing fancy.

Anyways, I was able to generate the .CER file and I completed the request in Exchange 2010

Now I think I need to import a cert to IIS 7 so I can use outlook anywhere, correct?

 

by: ParanormasticPosted on 2009-11-04 at 09:52:46ID: 25741928

Correct, you will need to import the root CA certificate, nothing more.  Trusting the root will provide trust to all certs issued underneath it, e.g. your exchange cert, so there is nothing more to do on the client end relating to the certs.

 

by: indsupportPosted on 2009-11-04 at 10:49:45ID: 25742506

Okay, I didn;t know what I was doing and I removed some of my previously generated certificates from
MMC> Certificates

I created the .REQ file again and tried again to put it in localhost/certserv, but now when I go into
Submit a Certificate Request

I get an error that a template cannot be found.

What did I miss?

 

by: indsupportPosted on 2009-11-04 at 11:14:17ID: 25742777

Okay I fixed that issue,

For Certificate Template, Which should I choose?

Administrator
Basic EFS
EFS Recovery Agent
User
Subordinate Certification Authority
Web Server


I think Web Server should be fine?

There is no exchange option --

 

by: indsupportPosted on 2009-11-04 at 11:20:20ID: 25742841

Also when you typed SAN:dns="subjectnameincsr"

Did you mean that statement or do I need to fill it with something else?

 

by: indsupportPosted on 2009-11-04 at 16:03:53ID: 25745536

Now my issue is Autodiscover won't work

I can't access it from outside the office on Outlook 2007

I did as you said... where should I go from here?

20120131-EE-VQP-002

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