CMK version: 2.5.0p10 Pro OS version: Debian GNU/Linux 12 Error message: No data yet, please be patient, [special_ibmsvc] Agent exited with code 2: Error connecting via ssh: OpenSSL version mismatch. Built against 300000f0, you have 30500070WARN, execution time 0.5 sec [special_ibmsvc] Agent exi…

[image] fynn: the ssh command in the omd user works just fine, no ssh error. What happens if you try to connect to your SVC with ssh manually?

@andreas-doehler That works perfect. OMD[prodcore]:~$ ssh cmk_mon_ng@IP_VOM_SERVER Ohhh. Schon wieder eine goldene Kugel in den Brunnen gefallen ..... IBM_FlashSystem:FS7300_1:cmk_mon_ng>exit

What happens if you execute the special agent manually? It should also have a “–debug” option. To get the special agent command you can do a “cmk -D SVCName”.

i see the same here without the special agent, might help for testing root@849e4989f405:~# su - cmknew OMD[cmknew]:~$ ssh-keygen -t ed25519 OpenSSL version mismatch. Built against 30000020, you have 30500070 OMD[cmknew]:~$

Then i think it is this problem here. [image] Check-mk-enterprise-2.4.0p34-el9-38.x86_64: /omd/sites/mysite/lib/libcrypto.so.3: version `OPENSSL_3.4.0' not found Troubleshooting Hello, Thanks for the detailed report — you’ve correctly diagnosed the root cause …

sounds very close, yes. The workaround is working correctly: OMD[cmknew]:~$ LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libcrypto.so.3 ssh-keygen -t ed25519 Generating public/private ed25519 key pair. Enter file in which to save the key (/omd/sites/cmknew/.ssh/id_ed25519): note: I had this in a 2.5.0p…

Special_ibmsvc - OpenSSL Version Mismatch Error on 2.5.0p10

Troubleshooting

andreas-doehler (Andreas) August 7, 2026, 5:03am 6

Then i think it is this problem here.