DimeFormatException can't upload 208k

I get an error everytime I try to upload a file aroun 208k. It works fine for
files less then 200k but it throughs an exception for over 200k. The
maxrequest is set to 500M in the web.config file.

The following is the even log:
Event Type: Error
Event Source: Microsoft WSE 2.0
Event Category: None
Event ID: 0
Date: 8/7/2005
Time: 10:03:22 PM
User: N/A
Computer: MSTROWEB001
Description:
HTTP/ASMX Message Receive Failure:
Microsoft.Web.Services2.Dime.DimeFormatException: WSE350: In the record
uuid:4386dbe8-614b-4141-9cf4-7e5f87798813, the number of bytes in the Data
field is less than 212887, which is the value indicated in the ContentLength
field.
at Microsoft.Web.Services2.Dime.DimeRecord.Close(Boolean endOfMessage)
at Microsoft.Web.Services2.Dime.DimeAttachmentCollection..ctor(DimeReader
reader)
at
Microsoft.Web.Services2.Messaging.SoapDimeFormatter.Microsoft.Web.Services2.Messaging.ISoapFormatter.Deserialize(Stream stream)
at
Microsoft.Web.Services2.WebServicesExtension.BeforeDeserializeServer(SoapServerMessage message)

.

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