Auto Deploy rule management UI in vSphere Client is inaccessible with "Managing rules is temporarily unavailable. An error occurred while connecting to the Auto Deploy service."

Products

• VMware vCenter Server

Issue/Introduction

• When attempting to access Auto Deploy > Deploy Rules in vSphere Client, following error message is displayed without any additional information.

"Managing rules is temporarily unavailable. An error occurred while connecting to the Auto Deploy service."

• Log file /var/log/vmware/vmon/vmon.log will show similar entries to:
  
  YYYY-MM-DDTHH:MMSS Wa(03)+ host-2393 OSError: [Errno 28] No space left on device
YYYY-MM-DDTHH:MMSS Wa(03)+ host-2393 OSError: [Errno 28] No space left on device
  
  
• vSphere Appliance Management Interface (VAMI) Monitor > Disk shows /storage/log at 75% full or more:
  
  At 75% of continuous disk use the space will trigger Yellow status warnings
At 85% the space will trigger Red critical alarms
  
  

Environment

VMware vCenter Server 7.x

VMware vCenter Server 8.x

Cause

Potential causes include:

• vCenter Server log bundles not being cleared after generation.
• Very high frequency events filling up logs.
• Services such as the Apache Tomcat Java Servlet service failing to clean up files.
• /storage/log partition set too small.

Resolution

Resolve /storage/log partition being full on vCenter Appliance by following steps outlined in following article:

vCenter log disk exhaustion or /storage/log full