CU Updates Failing to install

T

tpoulter

So the past few CU updates for Server 2016 are failing to install on our Exchange 2016 server running Server 2016

The errors I am getting are as follows

From the Event Log

Installation Failure: Windows failed to install the following update with error 0x80246013: 2018-04 Cumulative Update for Windows Server 2016 for x64-based Systems (KB4093119).

Further digging I see this in the windowsupdate log

2018-04-11 20:13:56.9846531 916 11512 SLS Making request with URL HTTPS://sls.update.microsoft.com/SLS/{9482F4B4-E343-43B6-B170-9A65BC822C77}/x64/10.0.14393.0/0?CH=417&L=en-US&P=&PT=0x7&WUA=10.0.14393.1914
2018-04-11 20:13:59.7886379 916 11512 Misc Send request failed, hr:0x80072ee2
2018-04-11 20:13:59.7955776 916 11512 Misc WinHttp: SendRequestToServerForFileInformation failed with 0x80072ee2; retrying with default proxy.
2018-04-11 20:14:02.5978053 916 11512 Misc Send request failed, hr:0x80072ee2
2018-04-11 20:14:02.5978102 916 11512 Misc Library download error. Error 0x80072ee2. Will retry. Retry Counter:0
2018-04-11 20:14:05.4029362 916 11512 Misc Send request failed, hr:0x80072ee2
2018-04-11 20:14:05.4029393 916 11512 Misc WinHttp: SendRequestToServerForFileInformation failed with 0x80072ee2; retrying with default proxy.
2018-04-11 20:14:08.2040977 916 11512 Misc Send request failed, hr:0x80072ee2
2018-04-11 20:14:08.2041049 916 11512 Misc Library download error. Error 0x80072ee2. Will retry. Retry Counter:1
2018-04-11 20:14:11.0072121 916 11512 Misc Send request failed, hr:0x80072ee2
2018-04-11 20:14:11.0072156 916 11512 Misc WinHttp: SendRequestToServerForFileInformation failed with 0x80072ee2; retrying with default proxy.
2018-04-11 20:14:13.8103273 916 11512 Misc Send request failed, hr:0x80072ee2
2018-04-11 20:14:13.8103322 916 11512 Misc Library download error. Error 0x80072ee2. Will retry. Retry Counter:2
2018-04-11 20:14:16.6134751 916 11512 Misc Send request failed, hr:0x80072ee2
2018-04-11 20:14:16.6134777 916 11512 Misc WinHttp: SendRequestToServerForFileInformation failed with 0x80072ee2; retrying with default proxy.
2018-04-11 20:14:19.4147089 916 11512 Misc Send request failed, hr:0x80072ee2
2018-04-11 20:14:19.4147155 916 11512 SLS GetDownloadedOnWeakSSLCert Failed: hr = 0x80072EE2
2018-04-11 20:14:19.4147739 916 11512 SLS GetResponse failed with hresult 0x80072ee2...
2018-04-11 20:14:19.4147873 916 11512 Misc EP: error: 0x80072EE2 : - failed to get SLS data
2018-04-11 20:14:19.4147958 916 11512 Misc Failed to obtain 7971F918-A847-4430-9279-4A52D1EFE18D redir Client/Server URL, error = 0x80072EE2
2018-04-11 20:14:19.4283987 916 11512 ProtocolTalker PTError: 0x80072ee2
2018-04-11 20:14:19.4284018 916 11512 ProtocolTalker PTError: 0x80072ee2
2018-04-11 20:14:19.4284022 916 11512 ProtocolTalker SyncUpdates_WithRecovery failed. 0x80072ee2
2018-04-11 20:14:19.4284089 916 11512 ProtocolTalker SyncUpdates round trips: 1
2018-04-11 20:14:19.4284134 916 11512 ProtocolTalker Sync of Updates 0x80072ee2
2018-04-11 20:14:19.4284232 916 11512 ProtocolTalker SyncServerUpdatesInternal failed 0x80072ee2
2018-04-11 20:14:19.4385810 916 11512 Agent Failed to synchronize, error = 0x80072EE2
2018-04-11 20:14:19.5088281 916 11512 Agent Exit code = 0x80072EE2
2018-04-11 20:14:19.5088290 916 11512 Agent * END * Finding updates CallerId = UpdateOrchestrator Id = 1
2018-04-11 20:14:19.5153973 916 3692 ComApi *RESUMED* Search ClientId = UpdateOrchestrator
2018-04-11 20:14:19.5158279 916 3692 ComApi Updates found = 0
2018-04-11 20:14:19.5158283 916 3692 ComApi Exit code = 0x00000000, Result code = 0x80072EE2
2018-04-11 20:14:19.5158288 916 3692 ComApi * END * Search ClientId = UpdateOrchestrator


And I cannot seem to find any solutions to the problem.

The last this happened we manually installed the CU from catalogue.microsoft.com site but cant always do that going forward

I did find this post

[Top Issue] Windows server 2016 cannot install the update KB4053579.

But I had done most of those previously but it does not seem to fix it

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