代理安装和配置 > Upgrading and Service Packs for Windchill RV&S 代理 > Rolling Back Windchill RV&S 代理 Service Packs > To roll back a Windchill RV&S 代理 service pack
  
To roll back a Windchill RV&S 代理 service pack
1. Shut down the Windchill RV&S 服务器, if running.
2. Run the following command:
PatchAgent -rollback
The Windchill RV&S 代理 is rolled back.
3. Restart the Windchill RV&S 服务器.
When they connect to the Windchill RV&S 服务器, instances of Windchill RV&S 代理 are automatically instructed to roll back if the service pack level exceeds the maximum allowed.