RdrCEF high cpu usage

New Here ,
Dec 15, 2015 Dec 15, 2015

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Good Morning.
First of all, sorry for my low level of English.

A few days ago I installed Adobe Reader DC on all servers in my farm Citrix XenDesktop 7.6. Everything started well but now I have problems with high CPU usage. I have seen that for each user using Reader DC open between 1 and 3 processes with the same name, RdrCEF.exe. This process consumes a lot of memory and sometimes, depending on the PDF file, use much of the CPU causing performance problems in other user sessions on the server .

What is this process RdrCEF? Why it is opened several times per user ? And most importantly, how I can prevent this process use as much CPU?

I hope someone can help me.
Thank you.


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General troubleshooting

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correct answers 2 Correct answers

Adobe Employee , Oct 13, 2016 Oct 13, 2016

Hello Everyone,

We have fixed such issues with our latest update. I would request you all to update Adobe software via Help -> Check for updates...

Please let us know if you face this or any issue after update.

-Thanks

Sunil Soni

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Community Beginner , Sep 17, 2021 Sep 17, 2021

Reader DC 2021.00.7.20091 32bit version was causing trouble for us on our 2016 RDS farm srevers. I tried running updates, repairs and reinstalling but no luck. Upgrading to the 64bit version has seemed to do the trick for us.

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New Here ,
Sep 21, 2021 Sep 21, 2021

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Likewise. 2016 RDS farm servers

Almost all our RDS servers suffer from cpu problems.

Thank you very much.

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New Here ,
Sep 22, 2021 Sep 22, 2021

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We found the exe for Reader DC 64 bits but it is not compatible with Adobe DC Pro.

Do you have both versions on your RDS servers ?

Thanks.

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Community Beginner ,
Sep 22, 2021 Sep 22, 2021

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We do not, we only run Adobe Reader DC 64 bit. Is your Adobe DC Pro also
64 bit?

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New Here ,
Sep 23, 2021 Sep 23, 2021

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Yes, We tested Reader DC 64 bits et Pro DC 64 bits but it's not compatible.

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