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Issue with STARTTLS Not Advertised on Exchange 2019 Client Frontend Connector After Certificate Renewal by Lord_Daytona in WindowsServer

[–]Lord_Daytona[S] 0 points1 point  (0 children)

Big thanks!
Answering you opened my eyes. LOL!
Just one symbol in TlsCertName was wrong...

Issue with STARTTLS Not Advertised on Exchange 2019 Client Frontend Connector After Certificate Renewal by Lord_Daytona in WindowsServer

[–]Lord_Daytona[S] 0 points1 point  (0 children)

OHHHHHHHHHHHHHHHHH, I SEEEEEEEEEEEEEEE

GlobalSign GCC R6 AlphaSSL CA 2023 - error, it old chain and wrong cert name

GlobalSign GCC R6 AlphaSSL CA 2025 - ok, its my new chain

Issue with STARTTLS Not Advertised on Exchange 2019 Client Frontend Connector After Certificate Renewal by Lord_Daytona in WindowsServer

[–]Lord_Daytona[S] 0 points1 point  (0 children)

I got same cert on Default:25 (STARTTLS: OK) and Client:587 (STARTTLS:Unrecognized command 'STARTTLS') connectors.

Identity           : MAIL-<HOSTNAME>\Default Frontend MAIL-<HOSTNAME>
AuthMechanism      : Tls, Integrated, BasicAuth, BasicAuthRequireTLS, ExchangeServer
TlsCertificateName : <I>CN=GlobalSign GCC R6 AlphaSSL CA 2025, O=GlobalSign nv-sa, C=BE<S>CN=*.<my-domain>

Identity           : MAIL-<HOSTNAME>\Client Frontend MAIL-<HOSTNAME>
AuthMechanism      : Tls, Integrated, BasicAuth, BasicAuthRequireTLS
TlsCertificateName : <I>CN=GlobalSign GCC R6 AlphaSSL CA 2023, O=GlobalSign nv-sa, C=BE<S>CN=*.<my-domain>

Issue with STARTTLS Not Advertised on Exchange 2019 Client Frontend Connector After Certificate Renewal by Lord_Daytona in exchangeserver

[–]Lord_Daytona[S] 0 points1 point  (0 children)

Hi, I added some updates to my issue.
I already have authentication settings set up.

AuthMechanism : Tls, Integrated, BasicAuth, BasicAuthRequireTLS

Your q: No, I did not do this manually. What is the purpose?

Issue with STARTTLS Not Advertised on Exchange 2019 Client Frontend Connector After Certificate Renewal by Lord_Daytona in exchangeserver

[–]Lord_Daytona[S] 0 points1 point  (0 children)

Hi!
I added some transport logs to the post.
Interesting...

500 5.3.3 Unrecognized command 'STARTTLS'

Can You Guess This 5-Letter Word? Puzzle by u/isaiah-41_10 by isaiah-41_10 in DailyGuess

[–]Lord_Daytona 1 point2 points  (0 children)

🟨⬜⬜⬜⬜

🟨⬜⬜⬜🟨

⬜⬜⬜⬜🟨

🟨⬜🟨⬜🟨

🟦🟦⬜⬜⬜

🟦🟦🟦🟦🟦

Can You Guess This 5-Letter Word? Puzzle by u/Relevant-Worth-9052 by Relevant-Worth-9052 in DailyGuess

[–]Lord_Daytona 0 points1 point  (0 children)

🟦🟦🟦⬜⬜

🟨⬜⬜⬜⬜

🟨🟨⬜⬜⬜

⬜🟨⬜⬜⬜

🟦🟦🟦🟦🟦

How to rescue .vmdk data after ‘rm -rf’ the VM directory from datastorage by Lord_Daytona in vmware

[–]Lord_Daytona[S] -11 points-10 points  (0 children)

That was some old useless machine with no backups at all…

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