Error when upgrading Connections 5.5 with CCM to CR2

While upgrading FileNet CE Server I got an error

ERROR occurred while installing FileNet applications
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Traceback (most recent call last):
File “C:\IBM\Connections\lib\ccm.py”, line 400, in map_to_web_servers
ce.map_to_servers(self.web_servers)
File “C:\IBM\Connections\lib\wasobj.py”, line 1735, in map_to_servers
for m in self.installed_modules():
File “C:\IBM\Connections\lib\wasobj.py”, line 1726, in installed_modules
text = AdminApp.view(self.name, [‘-MapModulesToServers’])
com.ibm.ws.scripting.ScriptingException: com.ibm.ws.scripting.ScriptingException: com.ibm.websphere.management.exception.ConnectorException

org.apache.soap.SOAPException: [SOAPException: faultCode=SOAP-ENV:Client; msg=Read timed out; targetException=java.net.SocketTimeoutException: Read timed out]

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Looking at it you can see is a SOAP timeout error.

I edited the file soap.client.props which is in C:\IBM\WebSphere\AppServer\profiles\Dmgr01\properties and changed the value of com.ibm.SOAP.requestTimeout from 180 (which is the default) to 0 (which means no timeout).

After the change I retried the update and everything worked fine.

Many thanks to Michael Urspringer for the suggestion.