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Exchange certificate

I have executed command new-exchangecertificate and allowed overwrite certificate which was expired, now my pop users cannot send email, returning them error "None of the authentication methods supported by this client are supported by your server"..

Could anyone please suggest the solution at earliest.
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Adnan J Iqbal
Asked:
Adnan J Iqbal
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1 Solution
 
Gaurav SinghSolution ArchitectCommented:
Are you using selfsigned certificate ? Run the command Get-Exchangecertificate on all CAS servers see the certificate status is showing as valid or invalid.
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Adnan J IqbalNetwork EngineerAuthor Commented:
yes i am using self signed.i ran this command it is not showing status only showing services and subject
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Md. MojahidCommented:
Try this:

Exch server Receive connector, Authentication tab

Transport Layer Security (TLS) --> enabled

Basic Authentication --> enabled with "Offer Basic auth only after TLS" enabled

Integrated Windows authentication --> enabled

OL client, POP3 profile

Incoming POP3 server --> port 995, SSL required

Outgoing SMTP server --> port 25, TLS encryption enabled

Outgoing mail server (SMTP) requires authentication enabled

SPA enabled

Thanks,
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Adnan J IqbalNetwork EngineerAuthor Commented:
Yes all these settings are as it is.
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Gaurav SinghSolution ArchitectCommented:
Run the command on Exchange : Get-ExchangeCertificate | fl
you will be able to see the status of the certificate.
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Adnan J IqbalNetwork EngineerAuthor Commented:
i am receiving an error while enabling the certificate as well.."The term 'Enable-ExchangeCertificate-Thumbprint' is not recognized as a cmdlet,
 function, operable program, or script file. Verify the term and try again.
At line:1 char:38"
Also when i select TLS it works fine, but before creating new certificate it was working with encryption level :NONE
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Adnan J IqbalNetwork EngineerAuthor Commented:
ok the status is valid
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Gaurav SinghSolution ArchitectCommented:
Enable-ExchangeCertificate -Thumbprint "Paste the certificate thumbprint here"
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Adnan J IqbalNetwork EngineerAuthor Commented:
Same error
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Gaurav SinghSolution ArchitectCommented:
Did u paste the certificate thunmbprint?  See the attached screen shot to find out the thumbprint, while pasting it you will need to remove all the sapce.  Also make sure that you are running the command on CAS server.
Thumbprint.jpg
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Adnan J IqbalNetwork EngineerAuthor Commented:
OK Done..Asked for services values, provided with IMAP,pop and SMTP but still with enctupted value with none sending is not working
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Gaurav SinghSolution ArchitectCommented:
Restart the transport services on HUB servers
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Gaurav SinghSolution ArchitectCommented:
Are you using third party services for incoming and Outgoing emails?
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Adnan J IqbalNetwork EngineerAuthor Commented:
Restarted services, same error, what do you mean by third part services. some of my users are using pop account for email
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Gaurav SinghSolution ArchitectCommented:
like cloud services for Antispam, can you please send us the screen shot of the error.
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Adnan J IqbalNetwork EngineerAuthor Commented:
No cloud services are used for anything. Please see attached
123.jpg
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Gaurav SinghSolution ArchitectCommented:
Is it configured via POP or configured as Exchange account.
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Adnan J IqbalNetwork EngineerAuthor Commented:
POP
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Adnan J IqbalNetwork EngineerAuthor Commented:
Ok it worked. i deleted and configured the account again.. thanks a lot.
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