Apply Patch 3 to your CA Vantage Windows Client at the B871 level.

To check the level of your Windows Client, go to the Main Toolbar / Help / About.
The WC level will be listed like:  12.7.871.
 
Do the following to install Patch 3 to your Windows Client at any level of B871.
Patch 1 or Patch 2 does not have to be applied before applying Patch 3.

Instructions to install B871 Patch 3:
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1. Go to the Support Home page.
2. Click on Download Management.
3. Click on the yellow link, "Download by Solution ID".
4. In "Search by Solution/Fix Number", enter RO96242, then click the magnifying glass.
5. In the "Search by Solution" box, paste: RO96242, then click magnifying glass.
6. The link "CA VANTAGE WC R12.7 PATCH3..." appears.
7. Click the "Add to Cart" icon, then click the "Download" icon.
8. Specify where the download is to be saved.
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9. When you double-click this .exe, it will install over the current install.
 
When the Patch is installed, in the Help/About the release is shown as: 12.7.871.3

SPECIAL INSTRUCTIONS:                                                          
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This patch includes a new build of the Host Configuration Client and update   
for the Scheduler Service. If you are running the SRM link Service (CA SRM    
and CA Vantage Link Service) or the CA scheduler service (CA SRM and          
CA Vantage Scheduler), please turn these services off before applying         
patch 12.7.871.3 on the Windows Client 12.7.871 or B871 with prior patches installed.