certificate private key not import

RouterOS General
1

I follow https://www.ollegustafsson.com/en/letsencrypt-routeros/ to enable https with let’s encrypt. I got .cer and .key imported into mikrotik. I successful imported .cer file into certificate but mikrotik won’t import .key into certificate. What is the problem?

[admin@WingTik] > /certificate import file-name=domain.example.com.cer passphrase=""
     certificates-imported: 1
     private-keys-imported: 0
            files-imported: 1
       decryption-failures: 0
  keys-with-no-certificate: 0

[admin@WingTik] > /certificate import file-name=domain.example.com.key passphrase=""
     certificates-imported: 0
     private-keys-imported: 0
            files-imported: 0
       decryption-failures: 0
  keys-with-no-certificate: 0

[admin@WingTik] > /certificate print                                         
Flags: K - private-key, D - dsa, L - crl, C - smart-card-key, A - authority, I - issued, R - revoked, E - expired, T - trusted 
 #          NAME                               COMMON-NAME                              SUBJECT-ALT-NAME                                                           FINGERPRINT                             
 0   L    T domain.example.com.cer_0                  Let's Encrypt Authority X3                                                                                          25847d668eb4f04fdd40b12b6b0740c567da7...
 
[admin@WingTik] > /system resource print
                   uptime: 4h17m21s
                  version: 6.39 (stable)
               build-time: Apr/27/2017 10:06:08
         factory-software: 6.34.2
              free-memory: 99.9MiB
             total-memory: 128.0MiB
                      cpu: MIPS 74Kc V5.0
                cpu-count: 1
            cpu-frequency: 720MHz
                 cpu-load: 2%
           free-hdd-space: 5.1MiB
          total-hdd-space: 16.0MiB
  write-sect-since-reboot: 1938
         write-sect-total: 4564
               bad-blocks: 0%
        architecture-name: mipsbe
               board-name: hAP ac
                 platform: MikroTik
2

I’ll try this out on my hEX tonight. I use Let’s Encrypt certs for a lot of web based UIs now.

3

Hi,
Same problem here, running 6.39.2 on haplite
Any ideas of why this could be happening?
thx.