Hi Julian,
Thanks for the info yes have checked this, my DSN appears to be fine and tests successfully:
But I appear to be getting this error message in the log file:
Section for VMware VirtualCenter, pid=8452, version=5.1.0, build=1235232, option=Release
------ In-memory logs start --------
mem> 2014-01-06T10:04:25.643Z [08836 info 'Hooks'] Hooks Initialized
------ In-memory logs end --------
2014-01-06T10:04:25.658Z [08836 info 'Default'] Logging uses fast path: true
2014-01-06T10:04:25.658Z [08836 info 'Libs'] VThreadBase detected multiple threads.
2014-01-06T10:04:25.658Z [08836 info 'Default'] Handling bora/lib logs with VmaCore facilities
2014-01-06T10:04:25.658Z [08836 info 'Default'] Initialized channel manager
2014-01-06T10:04:25.658Z [08836 info 'Default'] Current working directory: C:\Windows\system32
2014-01-06T10:04:25.658Z [08836 info 'Default'] ThreadPool windowsStackImmediateCommit = true
2014-01-06T10:04:25.658Z [08836 info 'ThreadPool'] Thread enlisted
2014-01-06T10:04:25.674Z [08836 info 'Default'] Log path: C:\ProgramData\VMware\VMware VirtualCenter\Logs
2014-01-06T10:04:25.674Z [08836 info 'Default'] Initializing SSL
2014-01-06T10:04:26.719Z [08836 info 'Default'] Vmacore::InitSSL: handshakeTimeoutUs = 120000000
2014-01-06T10:04:26.719Z [08764 info 'ThreadPool'] Thread enlisted
2014-01-06T10:04:26.719Z [08836 info 'ThreadPool'] Thread enlisted
2014-01-06T10:04:26.719Z [08836 info 'Default'] Starting VMware VirtualCenter 5.1.0 build-1235232
2014-01-06T10:04:26.719Z [08836 info 'Default'] Log directory: C:\ProgramData\VMware\VMware VirtualCenter\Logs.
2014-01-06T10:04:26.719Z [08836 info 'vpxdvpxdMain'] Account name: zcross
2014-01-06T10:04:26.719Z [08836 info 'win32vpxdOsLayer_win32'] Total virtual memory available for the process 8589934464 KB
2014-01-06T10:04:26.719Z [08836 info 'win32vpxdOsLayer_win32'] [VpxOsLayer] Enabled low-frag process heap.
-->
2014-01-06T10:04:26.719Z [08836 info 'win32vpxdOsLayer_win32'] [VpxOsLayer] Enabled low-frag crt heap.
-->
2014-01-06T10:04:26.719Z [08840 info 'ThreadPool'] Thread enlisted
2014-01-06T10:04:26.719Z [08836 info 'commonvpxLro'] [VpxLRO] 640 max LROs
2014-01-06T10:04:26.719Z [08836 info 'commonvpxLro'] [VpxLRO] 12 reserved internal LROs
2014-01-06T10:04:26.719Z [08836 info 'commonvpxLro'] [VpxLRO] 12 reserved blocker LROs
2014-01-06T10:04:26.719Z [08836 info 'commonvpxLro'] [VpxLRO] 12 reserved short LROs
2014-01-06T10:04:26.719Z [08836 info 'commonvpxLro'] [VpxLRO] 8 reserved long LROs
2014-01-06T10:04:26.719Z [08836 info 'commonvpxLro'] [VpxLRO] 600-second completed task lifetime
2014-01-06T10:04:26.719Z [08836 info 'commonvpxLro'] [VpxLRO] 60-second minimum completed task lifetime
2014-01-06T10:04:26.719Z [08836 info 'commonvpxLro'] [VpxLRO] 200 maximum completed tasks
2014-01-06T10:04:26.719Z [08836 info 'commonvpxLro'] [VpxLRO] 600-second unregistered task lifetime
2014-01-06T10:04:26.719Z [07304 info 'ThreadPool'] Thread enlisted
2014-01-06T10:04:26.719Z [08836 info 'utilvpxdVdb'] Registry Item DB 5 value is '50'
2014-01-06T10:04:26.719Z [08836 info 'utilvpxdVdb'] [VpxdVdb::SetDBType] Logging in to DSN: VMware vCenter with username
2014-01-06T10:04:26.735Z [08836 error 'utilvpxdVdb'] [VpxdVdb::SetDBType]: Database error: ODBC error: (HY000) - [Microsoft][SQL Server Native Client 10.0]SQL Server Network Interfaces: The target principal name is incorrect.
-->
2014-01-06T10:04:26.735Z [08836 error 'Default'] Error getting configuration info from the database
2014-01-06T10:04:26.750Z [08836 error 'vpxdvpxdMain'] [Vpxd::ServerApp::Init] Init failed: VpxdVdb::Init(VpxdVdb::GetVcVdbInstId(), false, false, NULL)
--> Backtrace:
--> backtrace[00] rip 000000018018aafa
--> backtrace[01] rip 0000000180102568
--> backtrace[02] rip 00000001801038de
--> backtrace[03] rip 000000018008d24b
--> backtrace[04] rip 0000000000505c2c
--> backtrace[05] rip 0000000000526512
--> backtrace[06] rip 00000001408dc9bc
--> backtrace[07] rip 00000001408db3dc
--> backtrace[08] rip 0000000140afcbdb
--> backtrace[09] rip 000007feff32a82d
--> backtrace[10] rip 00000000770d652d
--> backtrace[11] rip 000000007730c541
-->
2014-01-06T10:04:26.750Z [08836 error 'Default'] Failed to intialize VMware VirtualCenter. Shutting down...
2014-01-06T10:04:26.750Z [08836 info 'vpxdvpxdSupportManager'] Wrote uptime information
2014-01-06T10:04:26.750Z [08836 error 'Default'] Alert:false@ d:/build/ob/bora-1235232/bora/vpx/vpxd/util/vdb.cpp:422
--> Backtrace:
--> backtrace[00] rip 000000018018aafa
--> backtrace[01] rip 0000000180102568
--> backtrace[02] rip 00000001801038de
--> backtrace[03] rip 00000001800991ca
--> backtrace[04] rip 00000001400954c9
--> backtrace[05] rip 00000001408da962
--> backtrace[06] rip 00000001408db41a
--> backtrace[07] rip 0000000140afcbdb
--> backtrace[08] rip 000007feff32a82d
--> backtrace[09] rip 00000000770d652d
--> backtrace[10] rip 000000007730c541
-->
2014-01-06T10:04:26.750Z [08836 info 'utilvpxdVdb'] Registry Item DB 5 value is '50'
2014-01-06T10:04:26.750Z [08836 info 'utilvpxdVdb'] [VpxdVdb::SetDBType] Logging in to DSN: VMware vCenter with username
2014-01-06T10:04:26.766Z [08836 error 'utilvpxdVdb'] [VpxdVdb::SetDBType]: Database error: ODBC error: (HY000) - [Microsoft][SQL Server Native Client 10.0]SQL Server Network Interfaces: The target principal name is incorrect.
-->
2014-01-06T10:04:26.766Z [08836 error 'Default'] Error getting configuration info from the database
2014-01-06T10:04:26.766Z [08836 warning 'vpxdvpxdMain'] Database not initialized. Nothing to unlock
2014-01-06T10:04:26.766Z [08836 info 'Default'] Forcing shutdown of VMware VirtualCenter now