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[LeeC2202]

I have been having more problems with my DNS-345 recently, namely that it is shutting off an hour earlier than scheduled to. All the time and time zone settings are correct, but it still shuts off an hour early.

So besides the bodge option provided by DLink support, they suggested upgrading the firmware.  I never upgrade any firmware, before saving configuration settings, but when I clicked the "Save" button, I got a "500 - Internal Server Error" and no save settings page. This happened on both IE and Firefox, before and after clearing the cache.

I have emailed back to support to see what they suggest, however, based on their first reply, I am half expecting them to say "well you could go through all the settings, and write them on a piece of paper". So I am hoping there is a more acceptable option than that.

Does anyone have any ideas/suggestions?

[JavaLawyer]

I'm wondering if there is a Java incompatibility that's causing the save error. You may want to read the following two posts for some suggestions. These posts are labeled for network cameras, but they apply to the ShareCenter series just the same.

• Network Cameras - IE11 Not Fully Compatible with All Network Camera Functionality
  
• Network Cameras - Lost "Live View" After Installing Java Version 7 Update 51
  

[LeeC2202]

According to the Sun Microsystems website, my Firefox doesn't have Java at all (or at least, nothing they can verify)... yet every other aspect of the NAS seems to work fine in that browser. Could there really be a single button out of the whole system, that has a Java requirement?

[JavaLawyer]

I can tell you that my D-Link network cameras use Java through Firefox. Try applying the fix listed in the "Lost Live View..." thread and see if that helps.

[LeeC2202]

I don't have a Java folder.

[JavaLawyer]

Adding to my last post, there are components in my DNS-345 web UI that work in IE and not Firefox. For example, the SurveillanceCenter add-on only works in IE. A number of D-Link routers (including several of my own) have exhibited issues saving Configuration Settings files in Firefox, so there are browser-based dependencies.

Do you have Java installed on your PC?

[FurryNutz]

PC Web Browser Configurations
What browser are you using?
If IE 8, 9, 10 or 11, set compatibility mode and test again.
Disable any security browser Add-ons like No Script and Ad-Block or configure them to allow All Pages when connected to the router.
Clear all browser caches.
Be sure to log into the Admin account on the router.
Try turning off these features in Chrome:
Top right corner, little bars for options > Settings > Settings (on left) > Show advanced settings.
Uncheck these:
Use a web service to help resolve navigation errors
Use a prediction service to help complete searches and URLs typed in the address bar
Predict network actions to improve page load performance
Enable phishing and malware protection

[LeeC2202]

Adding to my last post, there are components in my DNS-345 web UI that work in IE and not Firefox. For example, the SurveillanceCenter add-on only works in IE. A number of D-Link routers (including several of my own) have exhibited issues saving Configuration Settings files in Firefox, so there are browser-based dependencies.

Do you have Java installed on your PC?

Java seems to be in the Add/Remove programmes list, but there are no Start Menu entries... maybe it's a broken configuration.

FurryNutz: I am using IE11 and Firefox 28.0... I would never use Chrome. I do use AdBlock+ on both browsers.

I will try reinstalling Java later, and then checking again. Thanks for the info both of you, I will update the question later, as the answer may be of use to anyone else who gets the same problem.

[FurryNutz]

Make sure you disable Ad-Block for any D-Link web page.

I'd remove Java and re-install again. There should be Start Menu entries.

[JavaLawyer]

Although Firefox does usually work with most web UI functionality, I would save the Configuration Settings file using IE just to be sure. Once the Configuration Settings file is saved to your PC, I recommend trying to apply the file to test it's integrity before flashing the ShareCenter or uploading a new firmware version.

[LeeC2202]

It's taken me a while to reply, because I did a complete clean install... of my whole OS.

Even after doing all that, re-installing Java from Fresh, turning off AdBlock+ for my NAS pages *and* setting compatibility mode on IE, I still get the exact same error on both browsers.  

Edit: Just to update... trying to get this config to save was getting worse. After making one attempt, the whole NAS stopped responding in web pages. So I bit the bullet, and simply did the upgrade... only to be greeted with the exact same internal server error. I think a "fell out of the second floor window" error is getting close. I find it hard to believe a device can be so flaky.

What's even more of a joke, is there seems to be something about a new media library in this update. However, it displays the dialog box for less than a second, so I had to grab a screenshot to read it. It seems I have a Yes/No option, but it's not on the screen long enough to choose... incredible.

[LeeC2202]

And to top it all off... I now can't access the NAS through windows explorer. 

[FurryNutz]

Can you access the DNS from any other devices or is the PC your only one?

I'd ask JavaLawyer first about a complete reload of DNS FW and see if things clear up.

[LeeC2202]

I've got a few PCs, up tp now, two of them show identical symptoms. The biggest one being the loss of connectivity through windows explorer. I can't browse folders, or map drives.

[ivan]

Let me try and get the picture of what you have correct.

1)  You have several PCs on your network.
2)  Only two of those PCs show the problem.
3)  All the other PCs work correctly with the NAS.
4)  It started with a time differential of one hour.  Was this at the time change for daylight saving?

Is that correct?

Now we require some more information. 

1)  Are all your PCs using the same version of windows?
2)  What version of windows are your problem machines using?
3)  Have the two problem machines had any updates to the operating system or other software?
4)  I assume you are using DHCP for the IP addresses, what are you using as DHCP server.
5)  Have you changed anything on your network - even moving a desktop computer on a wired network can loosen the network cable plug and cause problems.
6)  Are you using a wireless network and if so are there other access points nearby on the same channel?


All of the above is standard information we require from our clients when they have problems to enable us to fix the problem  You have a problem we need the information to help you fix it.

If your one hour time differential appeared at the time of changing to daylight saving time did you check where the NAS was getting its time setting from?