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[Archive] Microsoft 2008 Server and newer MS-RPC support in SRX platforms

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Article ID: KB22520 KB Last Updated: 27 Feb 2020Version: 3.0
Summary:
This article describes the issue of Microsoft 2008 Server and newer RPC messages not being fully supported by MS-RPC ALG in Junos for SRX platforms.
Symptoms:
  • The EPM message format in Server 2008 is different as compared to older versions.

  • The difference lies in the fact that many fields are 8 byte align, instead of the original 4 bytes (older Microsoft RPC version).
Cause:
 Junos MS-RPC ALG is unable to correctly parse and extract the right information from RPC messages.
Solution:
This issue is due to the fact that MS-RPC ALG was not able to parse NDR64 messages. However, this issue is now fixed in 11.4R2 and 12.1R1 or later releases.
 
Modification History:

2020-02-26: Archived.

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