Exchange 2016 CU14 Security Update KB4523171

Exchange ECP Error after KB4523171

Even after this security update, the ECP could not be opened again.

Security Update KB4523171

As usual, the following error message occurred.

The file or assembly is Microsoft.Exchange Common Version = 15

The certificate bindings are ok, only the service "Microsoft Exchange Search Host Controller Service" has been deactivated.

Microsoft Exchange Search Host Controller service disabled

Solution as almost always.

Exchange 2016 CU14 UpdateCas

ECP can be opened again.

Exchange 2016 CU14

Exchange 2016 update CU14 step 4 of 11