Group Policy Failed Software Installation Event or Events
1085 Source cannot be found or Necessary Registry
1112 Source cannot be found or Necessary Registry
102 Source cannot be found or Necessary Registry
108 Source cannot be found or Necessary Registry
#1 Check Share permissions set to Everyone Read or Authenticated Users to Read not Domain users this will fail
#2 Check NTFS Security Permissions same as above for rights
#3 Make sure you are connecting to the full path in UNC like serverclntappssoftwareagent.msi
#4 Here are some Group Policy changes that can fix this also
“Computer ConfigurationAdministrative TemplatesSystemLogonAlways wait for the network at computer startup and logon” Set to enabled.
“Computer ConfigurationAdministrative TemplatesSystemScriptsRun logon scripts synchronously” Set to enabled
“User ConfigurationAdministrative TemplatesWindows ComponentsWindows InstallerAlways install with elevated privileges” Set to Enabled
#5 In Software Policy click Advanced and Ignore Language Check box is Checked.