08 окт2019

WSUS Error 503

Written by Super User. Posted in Articles MicroSoft

Very offen I see error "WSUS synchronization fails with HTTP Error 503"

CAUSE
  • The WsusPool Application Pool in IIS is in a Stopped state. 
  • The Private Memory Limit (KB) for the Application Pool is set to the default value of 1843200 KB.
RESOLUTION

Consult with your systems administrator before you perform this procedure.
 

  1. Open the IIS Manager.
  2. Expand your site to find Application Pools.
  3. In the center pane, select WsusPool.
  4. In the Actions pane, click Start.
  5. Increase the Private Memory Limit to 4GB (4000000 KB). 
    1. Stop the EminentWare Data Grid Server Service.
    2. In the center pane, select WsusPool.
    3. Under Edit Application Pool, click Advanced Settings.
    4. Manually set the Private Memory Limit to 4GB (4000000 KB).
  6. Restart the Application Pool.
  7. Start the EminentWare Data Grid Server Service.