OME/OMSA Certificate Error

Question

I've suddenly had a problem that I cannot connect to OMSA on almost all of my 300+ servers from the OME server. The issue is caused by changes in IE11 not prompting for certificate errors. I'm able to use Chrome to access OMSA as it still prompts for certificate errors whereas IE11 simple says 'The page can't be displayed'. When looking at the certificate in Chrome it is a Dell certificate that expired 2/16. This is also causing newly deployed servers with OMSA to not report into the OME console. What can I do to correct this problem?

robwevans · Answer

It appears that the problem is actually that the Dell certificate is SHA1 and Microsoft dropped support for SHA1 in Edge and IE the end of June. Microsoft announced at least a year ago that they were dropping support for SHA1 and we migrated all of our existing SHA1 certificates to SHA2 last summer on our CA. Why has Dell not updated the certificate the OMSA uses? How can I work around this problem?

syam_prasad_b · Answer

Please let us know what version of OMSA is on the servers.

abahaduri · Answer

We're suffering the same issue on all our servers running Windows Server 2012 R2 - IE 11.

Here are the versions not working :

OM-SrvAdmin-Dell-Web-WINX64-7.4.0-866_A00

OM-SrvAdmin-Dell-Web-WINX64-8.1.0-1518_A00.

Thanks

robwevans · Answer

Any update on this issue?

joyrunner · Answer

Hi,

Sorry for late update. This forum has only OME users.

If you are facing OMSA launch issue (outside of OME) with IE11, I would request you to cross post this query to OMSA forum to get right attention.

http://en.community.dell.com/techcenter/systems-management/f/4469

To know about latest OMSA: www.delltechcenter.com/omsa

Thanks,

Manoj

Dell OpenManage Essentials

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