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e00084f9 communications error has occurred - not previously discussed

Created: 01 Nov 2012 • Updated: 08 Nov 2012 | 2 comments
This issue has been solved. See solution.

Hi all - I see there are alot of questions about this error - but I couldn't find one that was similar to mine.


  1. Backupexec server OS - Server 2008 R2 Standard
  2. Exchange 2k10 Server OS - Server 2008 R2 Enterprise
  3. Exchange 2k10 Server SP1 is being used.

A few days ago we upgraded BE 2010 r2 to 2010 r3

I have now getting the above error almost every night. (e00084f9 communications error has occurred)

I have verifed the Exchange management console versions are the same. (per suggestions of one solution)

One search for the error code sent me to the following page - but the settings suggested here are already our defualt. So that's not it.

Now - in full discloseure - I am also getting a "insufficient disk space" when a duplicate job from GRT to Tape runs - but this is AFTER the above error, so I'm assuming it's related (I am using an 8GB tape - and never fill it over half way on a typical incremental backup)

uh.. .Help???

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CraigV's picture


Did you include a push-install of your RAWS agents updates to any remote servers? Did you also upgrade to BE 2010 SP2 with any additional patches?

For your second error, check the links below:


Alternative ways to access Backup Exec Technical Support:

VJware's picture

Pls patch up Backup Exec & the remote agents with all updates... Do ensure a trust has been established between the Backup Exec server & the remote server ... One way would be to push install the remote agent, the other would be to right-click at the server in the selection list & choose - establish trust...