ckneece Absent Member.
Absent Member.
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Multicasting Decompression Error

I am trying to multicast an image on a Dell Optiplex 380 and the client computers keep getting a Decompression Error about 11 ~ 12 minutes into the image. Never at the exact same time or file. I can make an image of the source computer and place it on the server, then pull it back down to another machine and the image works fine (boots up and works). I then can use this second computer to attempt the multicast again, but have the same luck.

We are running ZCM 11.2, using PXE to preform imaging. These 380s have Windows 7 Pro 64-bit installed on them. We have never had any issue when we had Win XP on them.

Any ideas?? Thanks in advance!
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zlloyd Absent Member.
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Re: Multicasting Decompression Error

We have the exact same issue with Dell Optiplex 380s. TID 7002927 (Support | Windows 7 devices drop out of multicast session) states to upgrade to ZCM 11.2 - which we've done to no avail. We've tried disabling compression during the multicast, but instead of a decompression error, we get a message saying the client dropped from the session.

When we threw Windows XP back on the 380, it multicasted perfectly. Also, it appears with initial testing that Windows 7 32bit multicasts successfully as well - it's simply the Windows 7 64Bit multicasts that are failing. It must also be mentioned that we are able to multicast Dell Optiplex 390s running Win 7 64Bit with no problem - it only appears to affect the Optiplex 380s.
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ckneece Absent Member.
Absent Member.

Re: Multicasting Decompression Error

We have gone back and tried the 32-bit version as you have done, it works like a champ. When we are imaging the 64-bit OS, it seems to always fail in the C:\Windows\assembly folder. Never the same file or subfolder. Not sure if that is a coincidence or not.

We also upgraded to version 11.2 due to that same TID. Wish it would have helped us out also!
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