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Registry key "Max AdmComm Buffer Size" in siteminder Policy Server.


Article ID: 54305


Updated On:


CA Single Sign On Secure Proxy Server (SiteMinder) CA Single Sign On SOA Security Manager (SiteMinder) CA Single Sign-On



Customer is requesting more information about the registry key "Max AdmComm Buffer Size"


The communications between the Admin UI Applet and the Policy Server is handled via a buffer which previously had a hard-coded limit. If a Policy Store grew large, the amount of data being sent between the two would exceed this buffer, and an error would be received. Previous to the implementation of the "Max AdmComm BufferSize" registry setting, customers were requested to lower the MaxObjects registry setting to limit the amount of data being sent between the Policy Server and the Admin UI Applet to a point that the data would fit in this buffer.

This registry setting is documented in the v6.0 SP5 Release Notes under section 7.1.78 Received Session Timed Out Error in the Admin UI When Trying to Manage a Policy (48806).

To implement, please create a registry entry of type DWORD "Max AdmComm Buffer Size" at the location:


with value as 2097152 (2 MB).

If this key does not exist or having a value less than 256KB, the minimum default value is considered as 256 KB.


Component: SMPLC