我们正在为我们的企业应用程序之一实施OTA。我们有两台服务器：
仅在 iOS 8上安装应用程序时，它不会安装并提供错误“无法安装应用程序”。但是，如果我们启用Server1互联网访问，那么它能够毫无问题地下载ipa文件。我们正在使用Xcode 7。
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iPad上没有安装的控制台日志
itunesstored[81] <Warning>: LaunchServices: installing placeholder for com.xxxx.xxxx.prod
installd[36] <Notice>: 0x341000 -[MIClientConnection _doBackgroundInstallationForPath:withOptions:completion:]: Install of "/var/mobile/Library/Caches/com.apple.itunesstored/AppPlaceholders/-8484403080815861275.app" type Placeholder requested by itunesstored (pid 81)
installd[36] <Notice>: 0x341000 -[MIInstaller performInstallationWithError:]: Installing <MIInstallableBundle ID=com.xxxx.xxxx.prod; Version=1.0, ShortVersion=(null)>
installd[36] <Notice>: 0x341000 -[MIContainer makeContainerLiveReplacingContainer:withError:]: Made container live for com.xxxx.xxxx.prod at /private/var/mobile/Containers/Data/Application/A5B9C69F-A609-4EED-A911-DDE2F0B89611
installd[36] <Notice>: 0x341000 -[MIContainer makeContainerLiveReplacingContainer:withError:]: Made container live for com.xxxx.xxxx.prod at /private/var/mobile/Containers/Bundle/Application/40830C31-35EC-4732-B9A0-24A7D04322BC
installd[36] <Notice>: 0x341000 -[MIInstaller performInstallationWithError:]: Staging: 0.02s; Waiting: 0.00s; Installation: 0.24s; Overall: 0.27s
itunesstored[81] <Warning>: LaunchServices: Creating installProgressForApplication:<LSApplicationProxy: 0x1568e270> com.xxxx.xxxx.prod (Placeholder) withPhase:3
itunesstored[81] <Warning>: LaunchServices: installPhaseFinishedForProgress: com.xxxx.xxxx.prod.InstallingPlaceholder - <NSProgress: 0x15591d70> : Parent: 0x0 / Fraction completed: 0.0000 / Completed: 0 of 100 called, removing progress from cache
itunesstored[81] <Warning>: LaunchServices: updating placeholder for com.xxxx.xxxx.prod with icons
installd[36] <Notice>: 0x3c3000 -[MIClientConnection _doBackgroundInstallationForPath:withOptions:completion:]: Install of "/var/mobile/Library/Caches/com.apple.itunesstored/AppPlaceholders/-8484403080815861275.app" type Placeholder requested by itunesstored (pid 81)
installd[36] <Notice>: 0x3c3000 -[MIInstaller performInstallationWithError:]: Installing <MIInstallableBundle ID=com.xxxx.xxxx.prod; Version=1.0, ShortVersion=(null)>
installd[36] <Notice>: 0x3c3000 -[MIInstallableBundle _refreshUUIDForContainer:withError:]: Data container for com.xxxx.xxxx.prod is now at /private/var/mobile/Containers/Data/Application/AA9B9100-AF0E-4B33-BA4B-DA2F2395C3A0
installd[36] <Notice>: 0x3c3000 -[MIContainer makeContainerLiveReplacingContainer:withError:]: Made container live for com.xxxx.xxxx.prod at /private/var/mobile/Containers/Bundle/Application/58E2E2A7-A65F-43A0-8F7D-CF24A7F7414F
installd[36] <Notice>: 0x3c3000 -[MIInstaller performInstallationWithError:]: Staging: 0.15s; Waiting: 0.01s; Installation: 0.68s; Overall: 0.85s
itunesstored[81] <Warning>: LaunchServices: Creating installProgressForApplication:<LSApplicationProxy: 0x15679570> com.xxxx.xxxx.prod (Placeholder) withPhase:3
itunesstored[81] <Warning>: LaunchServices: installPhaseFinishedForProgress: com.xxxx.xxxx.prod.InstallingPlaceholder - <NSProgress: 0x15679c70> : Parent: 0x0 / Fraction completed: 0.0000 / Completed: 0 of 100 called, removing progress from cache
itunesstored[81] <Warning>: LaunchServices: Creating installProgressForApplication:<LSApplicationProxy: 0x155850b0> com.xxxx.xxxx.prod (Placeholder) withPhase:0
lsd[72] <Warning>: LaunchServices: Updating installPhase for parent <NSProgress: 0x17e304e0> : Parent: 0x0 / Fraction completed: 0.0000 / Completed: 0 of 100 to 3
lsd[72] <Warning>: LaunchServices: Updating installPhase for parent <NSProgress: 0x17e304e0> : Parent: 0x0 / Fraction completed: 0.0000 / Completed: 0 of 100 to 0
安装iPad的控制台日志
installd[36] <Notice>: 0x1b95000 -[MIInstaller performInstallationWithError:]: Installing <MIInstallableBundle ID=com.xxxx.xxxx.prod; Version=1.0, ShortVersion=2.4>
profiled[168] <Notice>: (Note ) MC: Provisioning profiles changed
installd[36] <Error>: SecTrustEvaluate [leaf CriticalExtensions IssuerCommonName]
lockdownd[26] <Error>: Could not set socket option SO_OPPORTUNISTIC: Invalid argument
installd[36] <Notice>: 0x1b95000 -[MIInstallableBundle _refreshUUIDForContainer:withError:]: Data container for com.xxxx.xxxx.prod is now at /private/var/mobile/Containers/Data/Application/B8DEEFE3-9137-44F7-88C0-C5B587C5ED4B
installd[36] <Notice>: 0x1b95000 -[MIContainer makeContainerLiveReplacingContainer:withError:]: Made container live for com.xxxx.xxxx.prod at /private/var/mobile/Containers/Bundle/Application/F6A1A1C3-7E3E-488E-AC15-206749F145AC
installd[36] <Notice>: 0x1b95000 -[MIInstaller performInstallationWithError:]: Staging: 4.86s; Waiting: 0.00s; Installation: 2.30s; Overall: 7.17s
lsd[154] <Warning>: LaunchServices: Updating identifier store
itunesstored[155] <Warning>: LaunchServices: installPhaseFinishedForProgress: com.xxxx.xxxx.prod.Installing - <NSProgress: 0x145794c0> : Parent: 0x0 / Fraction completed: 1.0000 / Completed: 100 of 100 called, removing progress from cache
lsd[154] <Warning>: LaunchServices: installation ended for app com.xxxx.xxxx.prod
itunesstored[155] <Warning>: LaunchServices: installPhaseFinishedForProgress: com.xxxx.xxxx.prod.Loading - <NSProgress: 0x14587450> : Parent: 0x0 / Fraction completed: 1.0000 / Completed: 1 of 1 called, removing progress from cache