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Dell OMSA - won't run after installation of KB3161608
I recently installed the latest batch (June 2016) of MS updates on our servers. It went well except for two servers, a PE2950 and a PE2970, both running Server 2008R2. These are our only two servers running Server 2008R2. On both machines, after installing all the updates, I was unable to open OMSA. The browser would display 'Internet Explorer cannot display the webpage'. OMSA continued to work fine on the rest of our servers, most of which are running server 2008.
I tried a different browser, but that didn't work. OMSA was at 7.3, so I downloaded and installed 7.4.0 and the 7.4.0.2 update. I found references to similar problems online, and some of the fixes included installing OMSA using the command prompt, or 'runas admin'. I installed them every which way, but no matter how I installed it, I got the same result!
I didn't find any errors in the server's event logs.
So I started uninstalling updates until I found the one that broke it, and it was KB3161608. Uninstalling that update fixed OMSA on both servers.
This updates is listed as optional, so I'm not sweating it for the time being. I believe it's a certificate problem, and might be fixed by creating a new self-signed certificate for those servers, but this isn't really my area of expertise. But I wanted to put this out there, in case it might help someone else.
donedealtwith
1 Message
1
February 18th, 2017 19:00
PE2950 server 2008R2
How I fixed I used chrome to regain local access to the main page
Then click on preferences
on left side go to general setting
Solution 1
To use a new self signed Certificate
change the SSL Encryption to Auto Negotiate
Key Signing Algorithm (for Self Signed Certificate): choose SHA256
This will generate a new certificate if yours was expired or if you IE refused to open with old default and/or you saw schannel errors in event log when you tried to open the page
click apply
your IE should now open but complain that your new cert is not trusted follow the prompts and add it to the trusted root certificate Authority for local machine
and you are done no need to back out patches or any thing else
Solution 2
same location click on X.509 Certificate and import a new cert created from you AD CA or public CA if you have bought one to use for a real web site
and you are done
Again not removing security patches!
Enjoy
spacedmonkeys
1 Message
0
July 5th, 2016 06:00
Thankyou for this.
I have just spent (wasted) a whole morning uninstalling, reinstalling, cleaning, repairing, uninstalling IE, installing Chrome etc etc only to do "one more Google search" before smashing the server to bits.... and found your post.
I can confirm, KB3161608 (in particular I think the Cipher issue) definitely breaks Openmanage under Internet Explorer 8 and 11. Works fine with Chrome though!!
Any chance of an update please Dell
ojnik76
4 Posts
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August 16th, 2016 14:00
hi Dell, is there an update on this?
or just uninstall the KB?
jackrabit
2 Posts
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August 18th, 2016 14:00
I did updates this week and I am having the same issue but I don't have KB3161608 installed.
Microsoft yanks buggy speed-up patch KB 3161608, replaces it with KB 3172605 and 3172614
I did have KB3172614 installed. I removed it and it fixed the issue.
ojnik76
4 Posts
0
August 18th, 2016 14:00
ok what are the steps?
uninstall KB 3161608 first?
then install the other two?
KB 3172605 and 3172614
or can I just do the other two on top?
jackrabit
2 Posts
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August 22nd, 2016 09:00
From my testing, if you have any of the updates installed then OMSA will not work.
KB 3161608
KB 3172605
KB 3172614
bogdan123
5 Posts
1
September 27th, 2016 07:00
I also have Dell PE2950 with 2012 R2. Uninstalled KB3172614 and now Open Manage 7.4.0.2 works fine. Thank you for the post, it really helped.