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My question is during December CU installation period(In sharepoint servers)..any outage???(i agree while running psconfig after the installation, there will be outage...but during December CU package installation is there any outage for sharepoint sites ?)

fyi: In my environment is 2 app server , 2 wfe and 1 cluster db

Please suggest us

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Hi @Mohan, if you ask a question and find an answer to your question, you should mark it as the answer. This will encourage others to help you in future and let others know which answer was in fact the answer to your question. – Russell Dec 26 '11 at 23:42
Thanks..How will make it as answer ? where i have to click ? – Mohan Periyasamy Dec 26 '11 at 23:56
Under the number of votes for the answer there is a tick, click it. – Russell Dec 27 '11 at 1:39

Yes there will be an outage. The CU package, just like every other, needs to be installed on all web frontends. You will need to bring your farm offline whilst you do this.

I would do it over a weekend to give you time to troubleshoot any issues that may come up.

However, always always ALWAYS test the CU on a copy of your live environment, to anticipate any issues that might come up or that might otherwise interfere with the working of your environment, or any customisations you have applied.

And, needless to say, take a backup of all your content databases before doing the update.

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Just re-emphasising always :D – Russell Dec 26 '11 at 23:40
Hi Thanks for your inputs – Mohan Periyasamy Dec 26 '11 at 23:55
How will make it as answer ? where i have to click ? – Mohan Periyasamy Dec 26 '11 at 23:59
As you mentioned Only All WFE Servers..What about application Servers..i guess we have to install all the sharepoint servers(both WFE and App Server)Right??? – Mohan Periyasamy Dec 27 '11 at 0:01
Yep you need to install it on all servers where sharepoint is installed – Russell Dec 27 '11 at 1:40

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