For the last two days, I could not access Windows Live (Hotmail) account from my Live Desktop. In the Error tab, it showed:
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Unable to send or receive messages for the PS HM account. Sorry, we were unable to sign you in to Windows Live ID at this time. Please try again later.
Server Error: 0×80048820
Server: ‘http://mail.services.live.com/DeltaSync_v2.0.0/Sync.aspx’
Windows Live Mail Error ID: 0×80048820
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After sifting through a few pages on Google and trying a few basic tips like registering DLLs, editing Internet connection settings in IE, changing /checking firewall settings etc., I observed that my problem had some more information attached with it to analyze.
The problem had erupted after I got a static IP from my ISP on one of the 3 DSL Internet connections on my computer. The problem occurred only on the particular connection with the static IP address, the moment i switched on to the dynamic ones, everything would work fine.
I did not have Windows Live Desktop/Email configured on any other machine, so could not rule out if it happened only on one computer. But I DID check if it worked via the web on other computers, which it did but not on the one I was working on. Nothing would appear after the successful login redirection to –blue…live…inbox– URL the browser would just halt.
The Solution…Ahh!
This Link http://www.fanatic.net.nz/2005/08/30/solving-error-80048820/ gave me a direction. It mentions that there is some increase is required in the MTU settings. MTU stands for Maximum Transmission Unit - the number of bytes for a single packet which a modem/gateway would allow on the network. The site mentioned it needs to be increased. I checked mine it was already at 1500 in my router, this should be sufficient for all practical purposes.
Then I tested the setting by sending a PING to yahoo.com , 1500 bytes long. It FAILED. so I felt I was indeed closing in. Then I sent a ping of 1000 bytes. SUCCESS. Then 1200, Sucess, then 1490 Failed, then 1350 success, then 1475 failed. Finally, I could conclude that my ISP’s routers were configured at 1474 bytes MTU size. But my router was sending at 1500, so perhaps the packets were getting truncated.
I changed the value of MTU in my router to 1474, to sync with what my ISP had in their systems. Rebooted it, crossed my fingers ( to be honest even my heart was beating very slightly faster) and waited it to come up. Then I fired up Windows Live, and there it was, 228 new messages coming down in my Inbox.
Wow! I said, and thanked Fanatic Live for the faint, 6 year old light in the tunnel which showed the way out. Now again my Live Mail is running with all green check-boxes and no red crosses.
I hope you save some time and frustration with this post.
Cheers
Inderjeet
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