MMS and RTSP UDP Packets on the Secondary Channel Are Dropped (314121)
The information in this article applies to:
- Microsoft Internet Security and Acceleration Server 2000
This article was previously published under Q314121 SYMPTOMS
When Internet Security and Acceleration (ISA) Server receives streaming packets that are larger than 4 kilobytes (KB), ISA Server may drop them, and this may degrade performance.
CAUSE
This problem can occur because ISA Server can only process 4 KB or smaller streaming media packets.
RESOLUTION
To resolve this problem, obtain and install the latest service pack for ISA Server 2000. For additional information about how to obtain and install the latest service pack for ISA Server 2000, click the article number below
to view the article in the Microsoft Knowledge Base:
313139 How to Obtain the Latest Internet Security and Acceleration Server 2000 Service Pack
STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. MORE INFORMATION
After you apply ISA Server Service Pack 1 (SP1), ISA Server can process streaming media packets that have a size of up to 8 KB. Although it is rare for streaming media packets to exceed 8 KB, the streaming media protocols allow for much larger packet sizes.
| Modification Type: | Major | Last Reviewed: | 7/21/2002 |
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| Keywords: | kbenv kbISAServ2000sp1fix kbnetwork kbprb KB314121 |
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