Showing posts from July, 2017

IBM Connections Engagement Center V6.0

IBM announced the new IBM Connections Engagement Center V6.0 including the following functions:

Increases employee engagement, communications, and collaboration by transforming the IBM Connections environment into a digital workplace hubProvides employees with personalized, easy access to content and resources, such as corporate news, relevant content, links to important resources, files, and events, with content drawn from Connections features already being used, such as blogs and wikis, as well as third-party content or applicationsEnables internal communications professionals to integrate top-down communications with peer-to-peer collaboration, making internal communications more collaborative and engaging.You can read the complete announcement here:

Performance problems on Apache Reverse Proxy

Yesterday I had massive performance troubles after going online with an Apache Reverse Proxy running on CentOS 6.9 for IBM Notes Traveler.

The customer has about 1.250 users and approx. 1.650 devices.

After some investigation and a great site, where the performance parameters are described very good:

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I figured out, that the default configuration of the HTTP server was causing this issues, because the settings are much too low/high for this amount of devices. I did some modifications in the httpd.conf and now it´s working fine - feel free to use them:

# Timeout: The number of seconds before receives and sends time out.
# Default Value: Timeout 60
New Value: Timeout 10

# KeepAlive: Whether or not to allow persistent connections (more than
# one request per connection). Set to "Off" to deactivate.
# Default Value: KeepAlive Off
New Value: KeepAlive On

# MaxKeepAliveRequests: The maximum number…

Resolve synchronisation issues after upgrade to IBM Notes Traveler

IBM Notes Traveler has the new feature to access the users mail server with the same rights as the user. But if you forget to add the IBM Notes Traveler server to the field "Trusted Servers" in the server document of the Mail Server, you receive the following errors:

An exception occurred when opening database <MailServerPath>/user.nsf using user shortname CN=John Doe /O=IBM in order to retrieve changed documents. Exception information: Throw: TASK_PROFILE_OPEN_DB

*** Content Adapter Exception ***ERROR 23 (ERR_DATABASE_ERROR)--- Debug Info ------------:Database cannot be opened with status of 0x17eb. Server=<MailServerPath>database=mail/user.nsf
INFO Mntr-0a78[Master]John Doe dna.cpp.jniDoesDatabaseExist#8427 Internal Error: Debug Data: Could not open Database='mail/jdoe.nsf' on server=<MailServer>' PathName='<MailFilePath>' for user 'CN=John Doe /O=IBM'. Error(17eb)=You are not listed as a trusted server