The Web Management console for my 3CX Voip Server show SSL error because the certificate has expired. Like I would normally do, I ran the command to renew the cert. through Letsencrypt using windows ACME Client, but the Cert. generation process fails with the "Error UriFormatException { ... " Noth…

Win. ACME Client UriFormatException

JuergenAuer March 16, 2021, 4:33pm 2

simple answer: ACME v1 is deprecated and currently blocked.

See

and switch to ACME v2.

Topic		Replies	Views
Windows client - stopped renewing certificates Server	6	2177	March 28, 2019
Very new and unable to renew my SSL after barely getting it going :( Help	9	1495	October 4, 2019
Initial connection failed, win-acme.v2.2.9.1701 Help	3	564	August 2, 2025
SSL connection failed for acme-v02.api.letsencrypt.org Help	8	4167	November 21, 2021
Getting urn:ietf:params:acme:error:malformed when tried to renew the certificate. using acme-v2 api Help	3	966	May 13, 2021