I'm just using the CMD window because my little C# app started consistently returning
404 errors when validating. This is new. Below is sample output ... as you'll note the required challenge responses are not carrying thru on continuation:
D:__TMP_getcert\CertWorking>le64.exe --key lacearte_com_Acct.key --email "itmoi@xxx.us" --csr lacearte_com.csr --csr-key lacearte_com.key --crt lacearte_com.crt --domains "lacearte.com,mail.lacearte.com,www.lacearte.com" --generate-missing --delayed
2026/05/10 13:57:30 [ Crypt::LE client v0.39 started. ]
2026/05/10 13:57:30 Loading an account key from lacearte_com_Acct.key
2026/05/10 13:57:30 Loading a CSR from lacearte_com.csr
2026/05/10 13:57:31 Registering the account key
2026/05/10 13:57:31 The key has been successfully registered. ID: 291028943
2026/05/10 13:57:31 Make sure to check TOS at https://letsencrypt.org/documents/LE-SA-v1.6-August-18-2025.pdf
2026/05/10 13:57:32 Challenge for lacearte.com requires:
A file 'rhLREQJ1pS1887shUNDGdjS0yeJGXzb7vtNn536H9yQ' in '/.well-known/acme-challenge/' with the text: rhLREQJ1pS1887shUNDGdjS0yeJGXzb7vtNn536H9yQ.rNtcLQ4ID4dyuBOWrgDcEdci9BzETG3UIubwamt4610
2026/05/10 13:57:32 Challenge for mail.lacearte.com requires:
A file 'mAkRjDb9LE6-ScpQpo_lupQgMKBpIhT2RC1i3HFpH5c' in '/.well-known/acme-challenge/' with the text: mAkRjDb9LE6-ScpQpo_lupQgMKBpIhT2RC1i3HFpH5c.rNtcLQ4ID4dyuBOWrgDcEdci9BzETG3UIubwamt4610
2026/05/10 13:57:32 Challenge for www.lacearte.com requires:
A file 'e7jTv7k1JrvgAmVQ-kS0NocnzhNLfU8Rs-7Dw5SxeXw' in '/.well-known/acme-challenge/' with the text: e7jTv7k1JrvgAmVQ-kS0NocnzhNLfU8Rs-7Dw5SxeXw.rNtcLQ4ID4dyuBOWrgDcEdci9BzETG3UIubwamt4610
D:__TMP_getcert\CertWorking>le64.exe --key lacearte_com_Acct.key --email "itmoi@xxx.us" --csr lacearte_com.csr --csr-key lacearte_com.key --crt lacearte_com.crt --domains "lacearte.com,mail.lacearte.com,www.lacearte.com"
2026/05/10 14:11:34 [ Crypt::LE client v0.39 started. ]
2026/05/10 14:11:34 Loading an account key from lacearte_com_Acct.key
2026/05/10 14:11:34 Loading a CSR from lacearte_com.csr
2026/05/10 14:11:35 Registering the account key
2026/05/10 14:11:36 The key is already registered. ID: 291028943
2026/05/10 14:11:37 Challenge for lacearte.com requires:
A file 'xOrOGvn2E0ledgNCd1grupiK6fpQFsaGufWbeZpeC5Q' in '/.well-known/acme-challenge/' with the text: xOrOGvn2E0ledgNCd1grupiK6fpQFsaGufWbeZpeC5Q.rNtcLQ4ID4dyuBOWrgDcEdci9BzETG3UIubwamt4610
When done, press
2026/05/10 14:15:07 Challenge for mail.lacearte.com requires:
A file 'YYFfzPKOyc2dBPol1zA-LGtJgbDakZNJPqM6P7wrsks' in '/.well-known/acme-challenge/' with the text: YYFfzPKOyc2dBPol1zA-LGtJgbDakZNJPqM6P7wrsks.rNtcLQ4ID4dyuBOWrgDcEdci9BzETG3UIubwamt4610
When done, press
2026/05/10 14:16:35 Challenge for www.lacearte.com requires:
A file 'L3z1msdqolwsuUPcr5gmjggxuJToKUwq_7iFJGH0zR8' in '/.well-known/acme-challenge/' with the text: L3z1msdqolwsuUPcr5gmjggxuJToKUwq_7iFJGH0zR8.rNtcLQ4ID4dyuBOWrgDcEdci9BzETG3UIubwamt4610
When done, press
2026/05/10 14:23:11 Domain verification results for 'lacearte.com': success.
2026/05/10 14:23:11 You can now delete the 'xOrOGvn2E0ledgNCd1grupiK6fpQFsaGufWbeZpeC5Q' file.
2026/05/10 14:23:15 Domain verification results for 'mail.lacearte.com': success.
2026/05/10 14:23:15 You can now delete the 'YYFfzPKOyc2dBPol1zA-LGtJgbDakZNJPqM6P7wrsks' file.
2026/05/10 14:23:17 Domain verification results for 'www.lacearte.com': success.
2026/05/10 14:23:17 You can now delete the 'L3z1msdqolwsuUPcr5gmjggxuJToKUwq_7iFJGH0zR8' file.
2026/05/10 14:23:17 Requesting domain certificate.
2026/05/10 14:23:21 Requesting issuer's certificate.
2026/05/10 14:23:21 Saving the full certificate chain to lacearte_com.crt.
2026/05/10 14:23:21 ===> NOTE: You have been using the test server for this certificate. To issue a valid trusted certificate add --live option.
2026/05/10 14:23:21 The job is done, enjoy your certificate!
D:__TMP_getcert\CertWorking>
I'm just using the CMD window because my little C# app started consistently returning
404 errors when validating. This is new. Below is sample output ... as you'll note the required challenge responses are not carrying thru on continuation:
D:__TMP_getcert\CertWorking>le64.exe --key lacearte_com_Acct.key --email "itmoi@xxx.us" --csr lacearte_com.csr --csr-key lacearte_com.key --crt lacearte_com.crt --domains "lacearte.com,mail.lacearte.com,www.lacearte.com" --generate-missing --delayed
2026/05/10 13:57:30 [ Crypt::LE client v0.39 started. ]
2026/05/10 13:57:30 Loading an account key from lacearte_com_Acct.key
2026/05/10 13:57:30 Loading a CSR from lacearte_com.csr
2026/05/10 13:57:31 Registering the account key
2026/05/10 13:57:31 The key has been successfully registered. ID: 291028943
2026/05/10 13:57:31 Make sure to check TOS at https://letsencrypt.org/documents/LE-SA-v1.6-August-18-2025.pdf
2026/05/10 13:57:32 Challenge for lacearte.com requires:
A file 'rhLREQJ1pS1887shUNDGdjS0yeJGXzb7vtNn536H9yQ' in '/.well-known/acme-challenge/' with the text: rhLREQJ1pS1887shUNDGdjS0yeJGXzb7vtNn536H9yQ.rNtcLQ4ID4dyuBOWrgDcEdci9BzETG3UIubwamt4610
2026/05/10 13:57:32 Challenge for mail.lacearte.com requires:
A file 'mAkRjDb9LE6-ScpQpo_lupQgMKBpIhT2RC1i3HFpH5c' in '/.well-known/acme-challenge/' with the text: mAkRjDb9LE6-ScpQpo_lupQgMKBpIhT2RC1i3HFpH5c.rNtcLQ4ID4dyuBOWrgDcEdci9BzETG3UIubwamt4610
2026/05/10 13:57:32 Challenge for www.lacearte.com requires:
A file 'e7jTv7k1JrvgAmVQ-kS0NocnzhNLfU8Rs-7Dw5SxeXw' in '/.well-known/acme-challenge/' with the text: e7jTv7k1JrvgAmVQ-kS0NocnzhNLfU8Rs-7Dw5SxeXw.rNtcLQ4ID4dyuBOWrgDcEdci9BzETG3UIubwamt4610
D:__TMP_getcert\CertWorking>le64.exe --key lacearte_com_Acct.key --email "itmoi@xxx.us" --csr lacearte_com.csr --csr-key lacearte_com.key --crt lacearte_com.crt --domains "lacearte.com,mail.lacearte.com,www.lacearte.com"
2026/05/10 14:11:34 [ Crypt::LE client v0.39 started. ]
2026/05/10 14:11:34 Loading an account key from lacearte_com_Acct.key
2026/05/10 14:11:34 Loading a CSR from lacearte_com.csr
2026/05/10 14:11:35 Registering the account key
2026/05/10 14:11:36 The key is already registered. ID: 291028943
2026/05/10 14:11:37 Challenge for lacearte.com requires:
A file 'xOrOGvn2E0ledgNCd1grupiK6fpQFsaGufWbeZpeC5Q' in '/.well-known/acme-challenge/' with the text: xOrOGvn2E0ledgNCd1grupiK6fpQFsaGufWbeZpeC5Q.rNtcLQ4ID4dyuBOWrgDcEdci9BzETG3UIubwamt4610
When done, press
2026/05/10 14:15:07 Challenge for mail.lacearte.com requires:
A file 'YYFfzPKOyc2dBPol1zA-LGtJgbDakZNJPqM6P7wrsks' in '/.well-known/acme-challenge/' with the text: YYFfzPKOyc2dBPol1zA-LGtJgbDakZNJPqM6P7wrsks.rNtcLQ4ID4dyuBOWrgDcEdci9BzETG3UIubwamt4610
When done, press
2026/05/10 14:16:35 Challenge for www.lacearte.com requires:
A file 'L3z1msdqolwsuUPcr5gmjggxuJToKUwq_7iFJGH0zR8' in '/.well-known/acme-challenge/' with the text: L3z1msdqolwsuUPcr5gmjggxuJToKUwq_7iFJGH0zR8.rNtcLQ4ID4dyuBOWrgDcEdci9BzETG3UIubwamt4610
When done, press
2026/05/10 14:23:11 Domain verification results for 'lacearte.com': success.
2026/05/10 14:23:11 You can now delete the 'xOrOGvn2E0ledgNCd1grupiK6fpQFsaGufWbeZpeC5Q' file.
2026/05/10 14:23:15 Domain verification results for 'mail.lacearte.com': success.
2026/05/10 14:23:15 You can now delete the 'YYFfzPKOyc2dBPol1zA-LGtJgbDakZNJPqM6P7wrsks' file.
2026/05/10 14:23:17 Domain verification results for 'www.lacearte.com': success.
2026/05/10 14:23:17 You can now delete the 'L3z1msdqolwsuUPcr5gmjggxuJToKUwq_7iFJGH0zR8' file.
2026/05/10 14:23:17 Requesting domain certificate.
2026/05/10 14:23:21 Requesting issuer's certificate.
2026/05/10 14:23:21 Saving the full certificate chain to lacearte_com.crt.
2026/05/10 14:23:21 ===> NOTE: You have been using the test server for this certificate. To issue a valid trusted certificate add --live option.
2026/05/10 14:23:21 The job is done, enjoy your certificate!
D:__TMP_getcert\CertWorking>