You are hereUpdate 2: Zimbra Web Client Doesn't Download Compressed Javascript

Update 2: Zimbra Web Client Doesn't Download Compressed Javascript

By steve - Posted on 03 June 2010

The FINAL, FINAL, FINAL solution. (No, we didn't switch to Exchange.)

I have several other articles on this site talking about Zimbra not working at a client's home network, but working fine at the office and other locations.

The problem was that the compressed javascript files would not download and the Advanced Web Client would not work. It stalled during download and hitting refresh multiple times MIGHT get it to almost work (the code for handling folders would almost never load). If we took the computer into the office, it worked fine. If we took it home, it worked fine. If we cleared the cache, we were back to having the problem.

Sometimes Firefox would work, but IE almost never would...

We even re-installed Windows and IE to try and get it to work.

The ultimate solution?

We replaced the Netgear router with a Linksys (Cisco) router.

As soon as we did that, it worked flawlessly.

So, here's the deal:

  • Every other website we tried to access worked fine.
  • AFAIK: We had no other problems with any other websites.
  • We only had a problem with Zimbra and its semi-massive compressed javascript.
  • Firefox would usually work.
  • IE6/7/8 would almost never work.
  • The Netgear was one of those "tower" style wireless routers. We never had any errors or other problems with the router.
  • Replacing the router solved the problem instantly.

So, just to prove the point, we upgraded one of the routers at one home and left the other at the other. As soon as we tried the Netgear at the other location, it failed. As soon as we replaced the Netgear with a Linksys, it worked.

I'm usually a big fan of Netgear, especially its business line, so I was really surprised when it all came down to a problematic router that didn't "fail", it just messed up the traffic.

It wasn't a settings issue because we reset the Netgear to the factory default configuration and ran the configuration wizard and it still had problems.

So, if you are having problems with your large javascript files not downloading, but everything else seems to work and you are running a Netgear router, try swapping in another brand of router. It might fix your problem.

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