Outlook 2016 On Premise users are prompted for credentials when opening email attachments. This occurs after updating to Current Channel build 16. Note. Problem. Unable to configure Virtual Vault because of an incorrectly configured MAPISVC. INF. Cause. When trying to choose an archive to add to the Outlook Navigation. We are aware of Outlook search issues related to recent security updates for Windows. This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. Troubleshooting Exchange connectivity issues with Enterprise Vault EVCheck that Outlook is the default E mail client. Start Internet Explorer and from the Tools menu, select Internet Options Programs and check that E Mail is set to Microsoft Outlook. Check that Collaborative Data Objects CDO is installed. Note for Outlook 2. Collaborative Data Objects CDO is part of Outlook and is a pre requisite for EV servers, so check that it has been installed on the system. CDO. If not, install it, then reboot the server and try again. This is not installed by default, a custom install of Outlook is required. Fix an out of step version of mapisvc. A system may have more than one version of a file called mapisvc. In such cases, the wrong version can be used by MAPI, leading to connection issues. On the EV server, search the system disk for the file MAPISVC. INF. It is often found in the following locations Program FilesCommon FilesSystemMSMAPI1. Windowssystem. 32. If there is only one copy of the file, continue with the Outlook utility fixmapi. If there are two copies of the file,  copy mapisvc. Typically, one version of the file is a little larger than the other. Copy the larger version of the file on top of the smaller version, for example, copy mapisvc. C Program FilesCommon FilesSystemMSMAPI1. C Windowssystem. Run the Outlook utility fixmapi. As part of the Outlook installation, it installs a utility called fixmapi. Usually its found in C Windowssystem. The File Mapisvc Information' title='The File Mapisvc Information' />To run this utility, simply double click on it. Ringo Starr 1973 Rar. Note  This utility runs very quickly and does not display any output. After completing the above steps, the server needs to be rebooted in order to allow the changes to take effect. Log in to the EV system mailbox. When EV connects to an Exchange server, it connects to a particular mailbox on that server. When you configure an EV service or task to use an Exchange server, the configuration process automatically creates a mailbox for that service. It typically has the name Enterprise Vault System Mailbox for lt Exchange server. In certain cases, there could be problems connecting to this mailbox, for example a. Outlook has not been fully initialized. The mailbox has not been fully created. The mailbox has been set to hidden. There is a mailbox of a similar name causing ambiguity. The following two sections can help to resolve these issues. Create an Outlook profile and specify Enterprise. Vault lt server as the mailbox. Logging into the mailbox completes the Outlook initialization. If logging into the mailbox is successful and there is no prompt with a list of mailboxes, go on to the next section. If there is a prompt with a list of mailboxes to connect to when logging in, then it is likely that the problem is due to ambiguous mailbox names. If the mailbox does not exist, it may not have been created or there may be a delay in creation, for example due to replication. If the mailbox cannot be logged into, check that it has not been hidden. Changing the mailbox to which EV connects. A good diagnostic step is to change the mailbox EV uses to connect to the Exchange System to an existing mailbox that does not have any issues. Follow these steps within the Vault Admin Console VAC. Expand Enterprise Vault Servers Enterprise Vault Tasks. Stop the archiving task that is going to be modified. The File Mapisvc Information' title='The File Mapisvc Information' />Right click the now stopped archiving task Properties Settings tab. Click the Browse button to select an alternate System mailbox. Click OK and re start the task. Outlook known issues in the June 2. ISSUEi. Cloud fails to load properly in Outlook 2. Outlook 2. 01. 0, Outlook 2. Outlook 2. 01. 6. When accessing Calendar, Contacts, or Tasks, you get the following error The set of folders cannot be opened. MAPI was unable to load the information service C PROGRA2COMMON1AppleInternet ServicesAPLZOD. Be sure the service is correctly installed and configured. STATUS WORKAROUNDThe loading of unregistered MAPI services has been disabled by default to make Outlook more secure. If youre using Outlook 2. Outlook 2. 01. 3 or Outlook 2. Cloud to resolve this issue. For more information, see this page. For Outlook 2. 00. Warning This workaround may make your computer or your network more vulnerable to attack by malicious users or by malicious software such as viruses. Microsoft does not recommend this workaround but is providing this information so that you can choose to implement this workaround at your own discretion. Use this workaround at your own risk. If you have trusted applications that depend on being loaded in this manner, you can re enable those applications by setting the following registry key REGDWORD HKEYCURRENTUSERSoftwareMicrosoftOffice1. OutlookSecurityAllow. This technote provides a guide to the various Exchange connectivity issues and their resolutions. Connectivity issues sometimes occur when Enterprise Vault is. Unregistered. Mapi. Services. You can use the following registry subkey to apply the registry setting as a domain policy HKCUSoftwarePoliciesMicrosoftOffice1. OutlookSecurityAllow. Unregistered. Mapi. Services. Value 0 default Block loading of unregistered MAPI services. This is the recommended setting to avoid unexpected execution of unknown code. Value 1 Enable loading of unregistered MAPI services. Important The following steps show you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Please make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, see this article. To make these registry changes, follow these steps Click Start, click Run, type regedit in the Open box, and then click OK. Locate and then click the following subkey in the registry HKCUSoftwareMicrosoftOffice1. OutlookSecurityOn the Edit menu, point to New, and then click DWORD Value. Type Allow. Unregistered. Mapi. Services for the name of the DWORD, and then press Enter. Right click Allow. Iobit%20Unlocker%20screenshot%202342.jpg' alt='The File Mapisvc Information' title='The File Mapisvc Information' />Unregistered. Mapi. Services, and then click Modify. In the Value data box, type 1 to enable the registry entry, and then click OK. Note To disable the Allow. Unregistered. Mapi. Services setting, type 0 zero, and then click OK. Exit Registry Editor, and then restart the computer. Vulnerability information applies to all versionsMAPI does not validate that a providers DLL that it is requested to load is registered correctly in Mapi. SVC. inf or even that it comes from the local machine. This can be exploited by creating a file together with an OLE object in such a way to cause MAPI to load a DLL from a network share when the OLE object is activated. This can allow arbitrary code execution to occur.