SharePoint 2016 May 2017 CU

Waqas Sarwar
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In this article, we will list all the issues, which are fixed in this past May's 2017 CU. This Month MSFT released two versions of it, one includes the Fixes for LPs and others don’t include the Fix for LPs. Now it is irrelevant that what language pack you installed or what the base language of the SharePoint is. You just simply install both exes and it will take care of everything.

What’s Included

This CU includes all the previous CUs since SharePoint 2016 RTM. This CU also includes the Feature Pack 1.

The following features are part of Feature Pack 1.

Administrative Actions Logging
MinRole enhancements
SharePoint Custom Tiles
Hybrid Auditing (preview)
Hybrid Taxonomy (preview)
OneDrive API for SharePoint on-premises
OneDrive for Business modern experience (available to Software Assurance customers)

Note

This CU also a security update, which means you do not need to apply security updates separately if you apply this CU.

Improvements and fixes

This CU brings SharePoint & Project Server fixes, here is the list of fixes published by MSFT.

Project Server 2016

Security FIx

When you run an administrative backup and an administrative restore of Enterprise custom fields, the restore fails at 29 percent completion. You also see a DatabaseForeignKeyViolationError (50002) queue error.
The March 2017 public update provided the necessary WSDL files in order to programmatically access the Project Server Interface (PSI). However, the WDSL files were not completely correct. Therefore, even after the update is installed, it wasn't possible to access the various PSI end points.

SharePoint Server 2016

This update contains the following improvements and fixes for SharePoint Server 2016:

Enable administrators to change document parsing timeout and memory limit.
Adds a PreserveDeletedUserMetadataReferences switch to Import-SPWeb. Adding this switch lets references to deleted users who are referenced by the list item author and editor metadata be preserved.
Translates some terms in multiple languages to make sure that the meaning is accurate.

Security Fix

When you lose SharePoint sites that are upgraded from SharePoint 2013 to SharePoint 2016, sites fail to load because of multiple web parts are not upgrading and referencing the wrong version. SSRS Web Part and SPListFilter are two examples. After you install this update, the upgrade of such pages will complete without errors.
When you run an administrative backup and an administrative restore of Enterprise custom fields, the restore fails at 29 percent completion. You also see a DatabaseForeignKeyViolationError (50002) queue error.
For remote SharePoint calls in hybrid, the query rewrite in the result source is added to the query two times. This could cause an unexpected recall for custom query rewrites
SharePoint outbound email messages incorrectly try to authenticate to SMTP servers that support Generic Security Service Application Program Interface (GSSAPI), Kerberos, or NTLM authentication. This may prevent email messages from being sent. After you install this update, SharePoint sends email messages anonymously without authentication.

Language-Dependent Fix

Translates some terms in multiple languages to make sure that the meaning is accurate.
After you apply an update for a SharePoint language pack, certain performance counters are deleted but are not recreated. This causes the ULS logs to flood with error messages because of the missing performance counters. After you install this update, performance counters are no longer deleted in this case. The previously deleted performance counters will be recreated.

Installation

As we know, this Month MSFT Release 2 CUs (one Include the LPs related fix and Other Non LP related fixes).

No matter what, whether you have installed any languages packs in your farm or no language pack, you must install both packages followed by PSconfig wizard on all server in the farm one by one.
So please install sts2016-kb3191880-fullfile-x64-glb.exe and wssloc2016-kb3191884-fullfile-x64-glb.exe

Prerequisite

To apply this update, you must have Microsoft SharePoint Server 2016 installed.

Restart information

If during the Installation of the Updates Certain Components of the SharePoint are running then it will ask you to restart the server. So it depends upon your server.

Schema Change