7.2

3 Search for the reference code in the log le to locate the associated entry.
4 Review the entries that appear above and below the associated entry to troubleshoot the problem.
The associated log entry does not specically call out the source of the problem.
Uninstalling a Proxy Agent Fails
Removing a proxy agent can fail if Windows Installer Logging is enabled.
Problem
When you try to uninstall a proxy agent from the Windows Control Panel, the uninstall fails and you see the
following error:
Error opening installation log file. Verify that the
specified log file location exists and is writable
Cause
This can occur if Windows Installer Logging is enabled, but the Windows Installer engine cannot properly
write the uninstallation log le. For more information, see Microsoft Knowledge Base article 2564571.
Solution
1 Restart your machine or restart explorer.exe from the Task Manager.
2 Uninstall the agent.
Machine Requests Fail When Remote Transactions Are Disabled
Machine requests fail when Microsoft Distributed Transaction Coordinator (DTC) remote transactions are
disabled on Windows server machines.
Problem
If you provision a machine when remote transactions are disabled on the Model Manager portal or the SQL
Server, the request will not complete. Data collection fails and the machine request remains in a state of
CloneWorkow.
Cause
DTC Remote Transactions are disabled in the IaaS SQL Instance used by the vRealize Automation system.
Solution
1 Launch Windows Server Manager to enable DTC on all vRealize servers and associated SQL servers.
In Windows 7, navigate Start > Administrative Tools > Component Services.
N Ensure that all Windows servers have unique SIDs for MSDTC conguration.
2 Open all nodes to locate the local DTC, or the clustered DTC if using a clustered system.
Navigate Component Services > Computers > My Computer > Distributed Transaction Coordinator.
3 Right click on the local or clustered DTC and select Properties.
4 Click the Security tab.
5 Select the Network DTC Access option.
6 Select the Allow Remote Client and Allow Remote Administration options.
7 Select the Allow Inbound and Allow Outbound options.
8 Enter or select NT AUTHORITY\Network Service in the Account eld for the DTC Logon Account.
Installing vRealize Automation
142 VMware, Inc.