DPM 2012 - SQL 2008R2 - error 964

I am new to this forum but i am getting this error with one of my 2008 R2 databases using DPM2012sp1.

DPM could not enumerate application component TGPROSQL01\PROZONE\master on protected computer tgprosql01.saintsfc.co.uk. (ID: 964)

Please make sure that writer is in good state.

I have checked the vss state and all looks fine

PS C:\Windows\system32> vssadmin list writers
vssadmin 1.1 - Volume Shadow Copy Service administrative command-line t
(C) Copyright 2001-2005 Microsoft Corp.

Writer name: 'Task Scheduler Writer'
   Writer Id: {d61d61c8-d73a-4eee-8cdd-f6f9786b7124}
   Writer Instance Id: {1bddd48e-5052-49db-9b07-b96f96727e6b}
   State: [1] Stable
   Last error: No error

Writer name: 'VSS Metadata Store Writer'
   Writer Id: {75dfb225-e2e4-4d39-9ac9-ffaff65ddf06}
   Writer Instance Id: {088e7a7d-09a8-4cc6-a609-ad90e75ddc93}
   State: [1] Stable
   Last error: No error

Writer name: 'Performance Counters Writer'
   Writer Id: {0bada1de-01a9-4625-8278-69e735f39dd2}
   Writer Instance Id: {f0086dda-9efc-47c5-8eb6-a944c3d09381}
   State: [1] Stable
   Last error: No error

Writer name: 'System Writer'
   Writer Id: {e8132975-6f93-4464-a53e-1050253ae220}
   Writer Instance Id: {dc29d415-b4a1-4a4b-8cff-1e23e4a724d7}
   State: [1] Stable
   Last error: No error

Writer name: 'SqlServerWriter'
   Writer Id: {a65faa63-5ea8-4ebc-9dbd-a0c4db26912a}
   Writer Instance Id: {b168eaaa-9233-49a7-9163-404cd0c5fd8e}
   State: [1] Stable
   Last error: No error

Writer name: 'ASR Writer'
   Writer Id: {be000cbe-11fe-4426-9c58-531aa6355fc4}
   Writer Instance Id: {a34a86ae-904f-4e4b-83fc-3af465549a95}
   State: [1] Stable
   Last error: No error

Writer name: 'WMI Writer'
   Writer Id: {a6ad56c2-b509-4e6c-bb19-49d8f43532f0}
   Writer Instance Id: {39c7216a-b0a7-47f9-b1a8-c81934e0152d}
   State: [1] Stable
   Last error: No error

Writer name: 'COM+ REGDB Writer'
   Writer Id: {542da469-d3e1-473c-9f4f-7847f01fc64f}
   Writer Instance Id: {fc4dfb96-42ac-428e-9ed3-f99b284e69d6}
   State: [1] Stable
   Last error: No error

Writer name: 'Registry Writer'
   Writer Id: {afbab4a2-367d-4d15-a586-71dbb18f8485}
   Writer Instance Id: {4eacb542-1909-4f4d-b317-eb769acd2460}
   State: [1] Stable
   Last error: No error

Writer name: 'Shadow Copy Optimization Writer'
   Writer Id: {4dc3bdd4-ab48-4d07-adb0-3bee2926fd7f}
   Writer Instance Id: {b217f079-d39e-433c-a916-93f3de76a19f}
   State: [1] Stable
   Last error: No error