WSUS Replica Down Stream Server (DSS) – Issues and FAQ

How do I change the WSUS Replica Server mode as the Master Server (USS)?


You will need to uninstall WSUS including the WSUS database (but you can let the “Downloaded update files” continue to be installed so that you don’t have to re-download all the content again), and then install WSUS again.


Is it possible to set the locale of the replica server to be different from the parent server?


Unfortunately, this scenario is not possible with WSUS 2.0. The configuration of the replica child server is always exactly the same as the replica parent – same language settings, same filter settings for Products and Update Classifications. All configuration of a replica server is performed at the master server only.


Is it possible to set the Replica server to download the content from Microsoft?


NO, WSUS Replica Server can only download the content from WSUS Master Server (USS). This is something WSUS Team is looking into for the next release however. For more information on future release take a look at – What can you expect in WSUS 3.0?


How do I create Target Groups on Replica Server?


If a downstream child server needs additional target groups unique to it, those will have to be created on the upstream server only and that will be replicated to the DSS.


How do I see a report of machines configured to use Replica Server?


You have to connect to each replica server to see a report of machines configured to user Replica Server. WUA can only report to the WSUS server it is configured to get the updates from, and it will only be visible at that WSUS server. Microsoft has published a WSUS Reporting Rollup Sample Tool to demonstrate centralized monitoring and reporting for WSUS. The tool rolls up update and computer status from all the WUS servers in your WSUS implementation in a single report. More information on http://www.wsuswiki.com/WsusRollupToolSample.


WSUS Replica Server failed to approve some updates. Why?


ApplicationException: Failed to approve some updates —>
System.Data.SqlClient.SqlException: Timeout expired.  The timeout period
elapsed prior to completion of the operation or the server is not responding.
at
Microsoft.UpdateServices.ServerSync.CatalogSyncAgentCore.CatalogSyncThreadP­rocessReal(Boolean allowRedirect)


For WSUS database timeout errors, create extra indexes for the WSUS database to improve performance. More information on Timeout Approving Updates in WSUS/ Approving updates takes long time in WSUS.


WSUS Replica Server Failed to approve some expired updates on WSUS Replica Server (DSS)


ApplicationException: Failed to approve some updates —>
System.Data.SqlClient.SqlException: Explicit deployments to updates that are
expired are not allowed.
at Microsoft.UpdateServices.ServerSync.CatalogSyncAgentCore.CatalogSyncThreadProcessReal(Boolean allowRedirect)


Expired Updates cannot be synchronized to DSS. More information on http://msmvps.com/blogs/athif/archive/2006/05/13/94665.aspx


Note:


In this blog entry, WSUS Replica Server / WSUS Child Server means WSUS Down Stream Server (DSS) and WSUS Master Server means WSUS Upstream Server (USS).

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