Thank you for your fast answer.
It seems VRMS has a problem to access the datastore.
I've checked, whether VRMS can resolve the vCenter Server hostname and ping the vCenter Server. Fine.
In the hms log file a Error is logged:
2013-06-20 08:06:49.789 ERROR jvsl.fileaccess [hms-jobs-main-thread-66] (..jvsl.fileaccess.VcFileAccess) operationID=6aad99db-136f-4685-a1ec-b89cde8e8c05 | Download of file com.vmware.jvsl.fileaccess.DatastoreFile:
filePath = testvm/testvm.vmx,
datacenterPath = Training,
datastoreName = Spare-50 through vCenter server VC50-REPL-TEST.vmeduc.local failed
com.vmware.vim.vmomi.client.common.UnexpectedStatusCodeException: Unexpected status code: 500
at com.vmware.jvsl.fileaccess.FileOperationResponse.setResponse(FileOperationResponse.java:54)
at com.vmware.jvsl.fileaccess.impl.HttpFileClientImpl.run(HttpFileClientImpl.java:568)
at com.vmware.jvsl.fileaccess.impl.HttpFileClientImpl.getFile(HttpFileClientImpl.java:481)
at com.vmware.jvsl.fileaccess.VcFileAccess$1.run(VcFileAccess.java:102)
at com.vmware.jvsl.fileaccess.VcFileAccess.doFileAccess(VcFileAccess.java:66)
at com.vmware.jvsl.fileaccess.VcFileAccess.download(VcFileAccess.java:97)
at com.vmware.hms.recovery.RecoverJobImpl.updateVmx(RecoverJobImpl.java:459)
at com.vmware.hms.recovery.RecoverJobImpl.recoverGroupWithTask(RecoverJobImpl.java:1437)
at com.vmware.hms.recovery.RecoverJobImpl.start(RecoverJobImpl.java:264)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.vmware.jvsl.job.impl.BaseJobDispatcher.handleMessage(BaseJobDispatcher.java:88)
at com.vmware.jvsl.job.executor.ExecutorJobDispatcher.access$000(ExecutorJobDispatcher.java:24)
at com.vmware.jvsl.job.executor.ExecutorJobDispatcher$1.run(ExecutorJobDispatcher.java:48)
at com.vmware.hms.util.executor.LoggerOpIdConfigurator$RunnableWithDiagnosticContext.run(LoggerOpIdConfigurator.java:133)
at com.vmware.hms.util.executor.LoggerOpIdConfigurator$2.run(LoggerOpIdConfigurator.java:100)
at com.vmware.jvsl.sessions.net.impl.TlsPreservingWrapper$2.run(TlsPreservingWrapper.java:47)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
2013-06-20 08:06:49.790 ERROR hms.recovery [hms-jobs-main-thread-66] (..hms.recovery.RecoverJobImpl) operationID=6aad99db-136f-4685-a1ec-b89cde8e8c05 | Failed to update vmx configuration file of recovered VM: com.vmware.jvsl.fileaccess.DownloadException: Download failed
com.vmware.jvsl.fileaccess.DownloadException: Download failed
at com.vmware.jvsl.fileaccess.VcFileAccess.download(VcFileAccess.java:112)
at com.vmware.hms.recovery.RecoverJobImpl.updateVmx(RecoverJobImpl.java:459)
at com.vmware.hms.recovery.RecoverJobImpl.recoverGroupWithTask(RecoverJobImpl.java:1437)
at com.vmware.hms.recovery.RecoverJobImpl.start(RecoverJobImpl.java:264)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.vmware.jvsl.job.impl.BaseJobDispatcher.handleMessage(BaseJobDispatcher.java:88)
at com.vmware.jvsl.job.executor.ExecutorJobDispatcher.access$000(ExecutorJobDispatcher.java:24)
at com.vmware.jvsl.job.executor.ExecutorJobDispatcher$1.run(ExecutorJobDispatcher.java:48)
at com.vmware.hms.util.executor.LoggerOpIdConfigurator$RunnableWithDiagnosticContext.run(LoggerOpIdConfigurator.java:133)
at com.vmware.hms.util.executor.LoggerOpIdConfigurator$2.run(LoggerOpIdConfigurator.java:100)
at com.vmware.jvsl.sessions.net.impl.TlsPreservingWrapper$2.run(TlsPreservingWrapper.java:47)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: com.vmware.vim.vmomi.client.common.UnexpectedStatusCodeException: Unexpected status code: 500
at com.vmware.jvsl.fileaccess.FileOperationResponse.setResponse(FileOperationResponse.java:54)
at com.vmware.jvsl.fileaccess.impl.HttpFileClientImpl.run(HttpFileClientImpl.java:568)
at com.vmware.jvsl.fileaccess.impl.HttpFileClientImpl.getFile(HttpFileClientImpl.java:481)
at com.vmware.jvsl.fileaccess.VcFileAccess$1.run(VcFileAccess.java:102)
at com.vmware.jvsl.fileaccess.VcFileAccess.doFileAccess(VcFileAccess.java:66)
at com.vmware.jvsl.fileaccess.VcFileAccess.download(VcFileAccess.java:97)
... 16 more
2013-06-20 08:06:49.790 ERROR hms.recovery [hms-jobs-main-thread-66] (..hms.recovery.RecoverJobImpl) operationID=6aad99db-136f-4685-a1ec-b89cde8e8c05 | Recovery failed for replication GID-b0fd0850-80e9-48ce-9763-c3a975b48115_SECONDARY: com.vmware.vim.binding.hms.fault.recovery.VmxUpdateFault:
vmName = testvm,
datastoreMoId = datastore-14
inherited from com.vmware.vim.binding.hms.fault.HmsMethodFault:
originalMessage = null
inherited from com.vmware.vim.binding.hms.fault.recovery.VmxUpdateFault: Processing recovered VM 'testvm' configuration file failed.
com.vmware.vim.binding.hms.fault.recovery.VmxUpdateFault:
vmName = testvm,
datastoreMoId = datastore-14
inherited from com.vmware.vim.binding.hms.fault.HmsMethodFault:
originalMessage = null
inherited from com.vmware.vim.binding.hms.fault.recovery.VmxUpdateFault: Processing recovered VM 'testvm' configuration file failed.
at com.vmware.hms.recovery.RecoverJobImpl.recoverGroupWithTask(RecoverJobImpl.java:1444)
at com.vmware.hms.recovery.RecoverJobImpl.start(RecoverJobImpl.java:264)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.vmware.jvsl.job.impl.BaseJobDispatcher.handleMessage(BaseJobDispatcher.java:88)
at com.vmware.jvsl.job.executor.ExecutorJobDispatcher.access$000(ExecutorJobDispatcher.java:24)
at com.vmware.jvsl.job.executor.ExecutorJobDispatcher$1.run(ExecutorJobDispatcher.java:48)
at com.vmware.hms.util.executor.LoggerOpIdConfigurator$RunnableWithDiagnosticContext.run(LoggerOpIdConfigurator.java:133)
at com.vmware.hms.util.executor.LoggerOpIdConfigurator$2.run(LoggerOpIdConfigurator.java:100)
at com.vmware.jvsl.sessions.net.impl.TlsPreservingWrapper$2.run(TlsPreservingWrapper.java:47)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
2013-06-20 08:06:49.791 INFO hms.recovery [hms-jobs-main-thread-66] (..hms.recovery.RecoverJobImpl) operationID=6aad99db-136f-4685-a1ec-b89cde8e8c05 | Reverting image RIID-880e02db-fb92-404e-96c4-8fabf6c534a1